{"id":"hk-epd-airteam-past-record-of-air-pollution-index-en","title":"Past Record of Air Pollution Index (English Version)","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations from July 1999 to December 2013 (English Version)","publisher":{"id":"c22ba033-6505-4d76-9d58-76de3a3b5b0d","name":"Environmental Protection Department"},"categories":[{"id":"environment","name":"Environment"}],"tags":[],"resources":[{"id":"009566df-d75d-4295-8ebc-7017ef1a73bd","name":"Past record of Air Pollution Index  (English) Dec 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:43.712193"},{"id":"0799536c-1982-4e05-8f07-6d38e827ba38","name":"Past record of Air Pollution Index  (English) Feb 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:57.406581"},{"id":"07c84399-24cc-4716-a7d4-b0ebafb849a5","name":"Past record of Air Pollution Index  (English) Dec 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr121999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:31.153766"},{"id":"08d028ed-87d3-4d87-8c67-72ed555605fd","name":"Past record of Air Pollution Index  (English) Mar 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:12.191818"},{"id":"10f29c0f-8e84-473e-abb8-fb1d929444c6","name":"Past record of Air Pollution Index  (English) Jan 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:10.021449"},{"id":"12e3e29f-4843-43cf-a854-13eb790be160","name":"Past record of Air Pollution Index  (English) Jan 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:53.850898"},{"id":"14b99d7c-02d4-4605-9da7-67e6779fed73","name":"Past record of Air Pollution Index  (English) May 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:06.673753"},{"id":"16a6add6-3a01-4d26-883d-b9f15fe75be1","name":"Past record of Air Pollution Index  (English) Jun 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:40.564493"},{"id":"1713966d-8415-47f6-95e6-c5af7b0dbab0","name":"Past record of Air Pollution Index  (English) Oct 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:38.919091"},{"id":"18262ff4-6f90-47b7-8240-dd0bfff1c1e9","name":"Past record of Air Pollution Index  (English) Sep 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:59.435247"},{"id":"1869dfd1-0024-499b-b7d5-6ccfaa88f74a","name":"Past record of Air Pollution Index  (English) Aug 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:52.855718"},{"id":"1b3a0af2-b432-46e0-8cd2-bf6df608d0b7","name":"Past record of Air Pollution Index  (English) Jul 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:23.727493"},{"id":"1c86f8fa-9d5d-463e-8eee-2a494b8d00d9","name":"Past record of Air Pollution Index  (English) Sep 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:34.395325"},{"id":"1daa93df-ea05-4b03-b8bc-c45b1106f54e","name":"Past record of Air Pollution Index  (English) Sep 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:43.903746"},{"id":"23cd82b2-b637-4c38-8b4e-a244da93b788","name":"Past record of Air Pollution Index  (English) Jul 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in July 1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr071999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:23.516674"},{"id":"28f01548-6155-427c-8c16-9aa68d20c93b","name":"Past record of Air Pollution Index  (English) May 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:23.132453"},{"id":"29adeb4c-aa3d-49c4-8932-c423b3f4098a","name":"Past record of Air Pollution Index  (English) Feb 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:33.290041"},{"id":"2b5bfd39-5764-4065-ab6f-a611d5c08da8","name":"Past record of Air Pollution Index  (English) Nov 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:12.820530"},{"id":"2c46effc-927b-4830-8f77-480d2a1732d9","name":"Past record of Air Pollution Index  (English) Oct 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:37.557828"},{"id":"2c57f6e4-aab1-4bc5-98e6-c12be7fc725d","name":"Past record of Air Pollution Index  (English) Dec 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:26.998355"},{"id":"30af46e8-5fb7-44c0-b0b3-9cf220a78434","name":"Past record of Air Pollution Index  (English) Mar 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:01.110065"},{"id":"32d3e36f-1abe-44bd-9bd3-1625848c6c88","name":"Past record of Air Pollution Index  (English) Nov 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:23.919179"},{"id":"34c94370-5217-4e36-8bbc-80d203dcb69e","name":"Past record of Air Pollution Index  (English) Mar 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:03.244914"},{"id":"350d3aee-6ddb-4cfa-bb8e-a7d9e0754aa9","name":"Past record of Air Pollution Index  (English) Nov 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:50.563254"},{"id":"361473eb-9773-4340-a2a6-2dd85fa347f0","name":"Past record of Air Pollution Index  (English) Jun 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:18.054764"},{"id":"368e7081-2781-43b5-9224-5ada1b006f78","name":"Past record of Air Pollution Index  (English) May 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:50.386608"},{"id":"38997672-8c45-4f27-9d3b-47dddc61d950","name":"Past record of Air Pollution Index  (English) Jun 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:30.602567"},{"id":"38ca6b62-dec4-4bf1-97e8-5266a44fefe8","name":"Past record of Air Pollution Index  (English) Apr 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:03.989449"},{"id":"39050807-a8fa-425b-ad29-468b4e24c6d9","name":"Past record of Air Pollution Index  (English) Jul 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:05.236631"},{"id":"3981febf-819d-4daf-8509-241b1c6b34a5","name":"Past record of Air Pollution Index  (English) Jun 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:38.182704"},{"id":"3d6afb22-98bf-48a0-a297-50c30c6cf464","name":"Past record of Air Pollution Index  (English) Feb 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:54.189240"},{"id":"4094f06f-5428-4837-b80b-e8c515be1b5d","name":"Past record of Air Pollution Index  (English) Aug 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:39.112902"},{"id":"41ee2c6e-6fdd-46fa-8933-d25a0bee4211","name":"Past record of Air Pollution Index  (English) Sep 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:18.270280"},{"id":"4458aa35-0bdf-4675-b459-1935953075e7","name":"Past record of Air Pollution Index  (English) Mar 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:07.238189"},{"id":"45ed7718-a4f6-4e57-9086-943423a0e300","name":"Past record of Air Pollution Index  (English) Jun 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:09.444852"},{"id":"4752947f-2579-4f3c-9a30-2cf81679f94a","name":"Past record of Air Pollution Index  (English) Feb 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:28.664195"},{"id":"47c5d292-2fd1-4937-8af6-c4c580c2007c","name":"Past record of Air Pollution Index  (English) Nov 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:42.366157"},{"id":"4869dc0e-a8c1-4016-be92-1df5ffd61791","name":"Past record of Air Pollution Index  (English) Mar 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:02.882296"},{"id":"49aeef70-4fe9-4453-b1c5-5180deabb95b","name":"Past record of Air Pollution Index  (English) Jun 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:28.657022"},{"id":"4a7ac76b-938e-405a-a386-878f9a8c5373","name":"Past record of Air Pollution Index  (English) Mar 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:18.652267"},{"id":"4ac7697b-8d6e-483a-91d4-5154702d1cb5","name":"Past record of Air Pollution Index  (English) Nov 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:49.842826"},{"id":"4b8a24b9-e2d6-4c2d-b02c-6e25c5e4d295","name":"Past record of Air Pollution Index  (English) Jul 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:14.205531"},{"id":"4c0bdea9-ee53-4d94-8945-6a3a20790583","name":"Past record of Air Pollution Index  (English) Jul 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:34.279698"},{"id":"4f5b0cc7-ef00-41c4-bbe8-09717e30760e","name":"Past record of Air Pollution Index  (English) Jun 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:46.055610"},{"id":"4fd40312-5ce8-4438-8874-94442cd36f68","name":"Past record of Air Pollution Index  (English) Feb 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:32.428374"},{"id":"50431348-2cd2-4196-9f57-2d42873f26ce","name":"Past record of Air Pollution Index  (English) Feb 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:58.309210"},{"id":"505f5a13-2629-4cf3-aa7a-3de5964d4ba3","name":"Past record of Air Pollution Index  (English) Apr 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:49.038744"},{"id":"52d2a235-11fb-4c85-a294-4a3aabacb9c6","name":"Past record of Air Pollution Index  (English) Apr 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:33.549804"},{"id":"53d18324-5599-476a-918f-413359a683c1","name":"Past record of Air Pollution Index  (English) Sep 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:41.895120"},{"id":"54b4e4db-13f7-45b4-a525-3f0692fc1fef","name":"Past record of Air Pollution Index  (English) Sep 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:34.577061"},{"id":"571edbd7-3ada-4d80-97b2-95954096f8cd","name":"Past record of Air Pollution Index  (English) Sep 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:46.301819"},{"id":"59a82eca-2163-4670-ab6e-a4f02cd51f29","name":"Past record of Air Pollution Index  (English) Aug 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:36.819404"},{"id":"5b84c9c6-a658-41c5-88f7-ec96341a3f10","name":"Past record of Air Pollution Index  (English) Jan 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:25.854350"},{"id":"5c55d119-221e-4efc-9cd3-1096a718a180","name":"Past record of Air Pollution Index  (English) Sep 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:56.296133"},{"id":"5ce56bf3-a5ab-4ac6-ad62-5e709612b576","name":"Past record of Air Pollution Index  (English) Feb 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:32.830018"},{"id":"5da46201-223a-42ae-a5b3-4d806709347c","name":"Past record of Air Pollution Index  (English) Jan 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:45.042965"},{"id":"5fbea4fc-4b47-4ac5-95e7-9dea33405028","name":"Past record of Air Pollution Index  (English) Oct 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:39.927465"},{"id":"63af4eee-e5f0-4b61-b918-32719a258e44","name":"Past record of Air Pollution Index  (English) Dec 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:47.190945"},{"id":"63c8880e-47b2-4afc-beb1-20b11874b891","name":"Past record of Air Pollution Index  (English) Jun 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:12.306040"},{"id":"64b8852c-18e5-4304-a089-fdc192e1ce1e","name":"Past record of Air Pollution Index  (English) Jan 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:03.148002"},{"id":"657c008e-fb23-40ba-8019-a8f46d9b6f5f","name":"Past record of Air Pollution Index  (English) Mar 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:38.932897"},{"id":"65c3ab0e-21ff-4854-a485-18a9985c80c3","name":"Past record of Air Pollution Index  (English) Oct 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:20.291396"},{"id":"668649df-7068-4ade-98ba-2d7a37c78ce1","name":"Past record of Air Pollution Index  (English) Oct 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:47.995129"},{"id":"6b77f659-1f63-45fe-9924-8bb164ed403e","name":"Past record of Air Pollution Index  (English) May 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:13.041228"},{"id":"6c22bb62-88d1-4426-8ff3-b1b64650bc77","name":"Past record of Air Pollution Index  (English) May 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:42.817355"},{"id":"6ca4815c-b7c7-4937-875c-259721c0bcab","name":"Past record of Air Pollution Index  (English) Dec 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:04.072663"},{"id":"6d4e38df-49bc-4232-b8ff-2e79b2c20bd4","name":"Past record of Air Pollution Index  (English) Sep 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:40.220510"},{"id":"6e9d7754-2eb3-4dbc-9824-cc494b0fc40e","name":"Past record of Air Pollution Index  (English) May 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:34.020753"},{"id":"70587bc0-de66-4526-a7dd-77bf37614eb4","name":"Past record of Air Pollution Index  (English) Oct 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:41.340817"},{"id":"7115dd28-d98b-45f5-a31d-09d0107f9c4d","name":"Past record of Air Pollution Index  (English) Jun 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:36.694055"},{"id":"717e0289-c74a-465e-bf68-d0bd40e96730","name":"Past record of Air Pollution Index  (English) Feb 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:06.820084"},{"id":"7190fe8e-3db2-4c8a-bcd7-53be4982b9d4","name":"Past record of Air Pollution Index  (English) May 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:15.300133"},{"id":"720009f5-0d01-48be-8160-5ee62fdf5927","name":"Past record of Air Pollution Index  (English) Feb 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:15.896156"},{"id":"72e2f7c4-3117-4924-8708-e5940e31409c","name":"Past record of Air Pollution Index  (English) Aug 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:52.927159"},{"id":"73ecc05f-254f-450e-9ed3-8d3f327548de","name":"Past record of Air Pollution Index  (English) Jul 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:40.506899"},{"id":"74c28e96-0e61-4d28-b5fb-14773c46a9b8","name":"Past record of Air Pollution Index  (English) May 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:52.090817"},{"id":"74deb33d-83ce-4b39-a911-fa94f93b337a","name":"Past record of Air Pollution Index  (English) Jan 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:55.710202"},{"id":"75499599-894a-4fdf-83b7-1e27d3c130b8","name":"Past record of Air Pollution Index  (English) Jul 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:37.836902"},{"id":"75f0d4a9-5d62-4b63-8639-c8db9a989a88","name":"Past record of Air Pollution Index  (English) Nov 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:22.349227"},{"id":"787a8f9b-1d1f-4529-91d7-594b162b603c","name":"Past record of Air Pollution Index  (English) May 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:26.043013"},{"id":"78b4e167-753e-4732-ba8e-4e491d51b199","name":"Past record of Air Pollution Index  (English) Feb 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:02.023571"},{"id":"794322e2-b4ad-4e2a-9ad5-65fab87eced3","name":"Past record of Air Pollution Index  (English) Aug 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:54.762922"},{"id":"79d50806-6f8e-45ca-83db-57828566097c","name":"Past record of Air Pollution Index  (English) Aug 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:16.182984"},{"id":"7a39cca0-3a8c-464c-a47d-e4612ed69f56","name":"Past record of Air Pollution Index  (English) Jul 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:46.851940"},{"id":"7bfe9c50-3c93-4c6d-8114-93496d44d2b9","name":"Past record of Air Pollution Index  (English) Apr 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:08.277098"},{"id":"7c04e687-4fe8-41aa-a888-a419182bceec","name":"Past record of Air Pollution Index  (English) Jan 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:01.352697"},{"id":"83ebee45-17e9-49a3-b627-6628d327fd79","name":"Past record of Air Pollution Index  (English) Aug 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:29.526336"},{"id":"83f7588c-059d-49b9-a4a2-652718314a5b","name":"Past record of Air Pollution Index  (English) Jul 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:49.363056"},{"id":"845bc941-b3f6-4d1d-a628-fa7b42215b18","name":"Past record of Air Pollution Index  (English) May 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:10.435656"},{"id":"84dd3107-a1de-4b4e-a45d-cd251d8d1418","name":"Past record of Air Pollution Index  (English) Dec 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:53.737571"},{"id":"852aa62d-0d89-4d51-a9f0-e3de3a7d462c","name":"Past record of Air Pollution Index  (English) Jun 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:58.387362"},{"id":"875d96f2-2c7a-4270-9383-06fc63fb18bc","name":"Past record of Air Pollution Index  (English) Dec 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:49.371027"},{"id":"88dab56c-fd89-4f04-b036-86cec34ff4ed","name":"Past record of Air Pollution Index  (English) Sep 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr091999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:28.553635"},{"id":"89474a87-bb04-4d9d-a5bf-a66955b34b81","name":"Past record of Air Pollution Index  (English) Mar 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:36.429290"},{"id":"8a280417-726f-45a5-80bd-4b178188c531","name":"Past record of Air Pollution Index  (English) Apr 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:39.592250"},{"id":"8a5f6f3f-e843-4c7b-be76-9cf2f28ba6d1","name":"Past record of Air Pollution Index  (English) Jan 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012007.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:57.843132"},{"id":"8a85714f-e58c-441e-9e08-4c8b876443ac","name":"Past record of Air Pollution Index  (English) Aug 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:38.157998"},{"id":"8ac9217d-b3b5-40e5-927c-002668cb4d09","name":"Past record of Air Pollution Index  (English) Aug 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:27.590148"},{"id":"8d15f36a-0ed4-44cf-be96-7e6b8e913f5d","name":"Past record of Air Pollution Index  (English) Aug 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:15.191616"},{"id":"8d239455-f39e-4647-b401-cd5194995e98","name":"Past record of Air Pollution Index  (English) Jul 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:29.797009"},{"id":"8ff5a0ee-19fd-4224-bf01-c54d3a3290e7","name":"Past record of Air Pollution Index  (English) Nov 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:03.215679"},{"id":"907bab91-43f4-4969-b01f-3d957c6459ec","name":"Past record of Air Pollution Index  (English) Jan 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:52.345205"},{"id":"91ae602c-c0b2-4a3b-81db-c249a1b3d767","name":"Past record of Air Pollution Index  (English) Oct 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:26.064649"},{"id":"93ae1e4f-02bb-4e8c-ba66-96064e64987a","name":"Past record of Air Pollution Index  (English) Sep 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:32.564843"},{"id":"96248800-5d4a-4d61-aa6f-798abc382f75","name":"Past record of Air Pollution Index  (English) Apr 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:45.681506"},{"id":"9ab570fd-7b5c-4be1-a709-3e2ce9d0b94c","name":"Past record of Air Pollution Index  (English) May 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:15.852777"},{"id":"9af21930-ddcd-4772-95dc-6ceb96950ef7","name":"Past record of Air Pollution Index  (English) Nov 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:32.965917"},{"id":"9bece13a-0073-4a65-ae66-a5b41e51cec4","name":"Past record of Air Pollution Index  (English) Dec 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:40.753590"},{"id":"9cfcdc46-f466-451a-aefc-f374acc0b7d2","name":"Past record of Air Pollution Index  (English) Apr 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:11.609309"},{"id":"9d3b18f8-8347-4644-b8b7-41ce729ea684","name":"Past record of Air Pollution Index  (English) Aug 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:42.900120"},{"id":"9f6b5746-9975-426c-a728-acac4e2279fe","name":"Past record of Air Pollution Index  (English) Dec 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:08:06.192050"},{"id":"9f9bc707-2aab-4a7f-b1ff-28dc75488316","name":"Past record of Air Pollution Index  (English) Oct 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:21.031181"},{"id":"a527c60a-da98-4230-b408-29bc0f0eff49","name":"Past record of Air Pollution Index  (English) Jun 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:20.292060"},{"id":"a59920b8-ed57-4717-9f99-fb1bcb800204","name":"Past record of Air Pollution Index  (English) Mar 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:33.722588"},{"id":"a66e42c8-de70-4f3d-a597-dc536f848e2d","name":"Past record of Air Pollution Index  (English) Mar 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:01.172994"},{"id":"ac3a381d-1863-42fc-b378-8b89dba3b3b3","name":"Past record of Air Pollution Index  (English) Feb 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:04.952962"},{"id":"b0c8bc3e-49d7-4a3a-b4c4-69b742726918","name":"Past record of Air Pollution Index  (English) Jan 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:30.318659"},{"id":"b0feb321-708c-4794-913e-f9f701315c21","name":"Past record of Air Pollution Index  (English) Dec 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:53.125816"},{"id":"b1249094-d096-45e1-98fa-16b9cb9f1288","name":"Past record of Air Pollution Index  (English) Sep 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:45.472256"},{"id":"b1ecb7bf-d497-4c1e-869f-de87be21cc86","name":"Past record of Air Pollution Index  (English) Apr 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:08.514083"},{"id":"b50ac1af-685d-4ac9-9c03-df2b69e42b10","name":"Past record of Air Pollution Index  (English) Feb 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:15.097305"},{"id":"b58d1615-824b-4b40-942d-e0be8a848064","name":"Past record of Air Pollution Index  (English) Nov 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:42.500303"},{"id":"b5cb3f66-05b6-4621-92f4-2a5c425ff0f5","name":"Past record of Air Pollution Index  (English) Oct 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:52.040074"},{"id":"b606c28c-b9e9-4e16-9371-37172a494115","name":"Past record of Air Pollution Index  (English) Jan 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:31.978663"},{"id":"b663ceed-63d0-4e26-81ff-aa324c1805fe","name":"Past record of Air Pollution Index  (English) Apr 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:08.008510"},{"id":"b85b1d6b-061d-4f12-b365-71776f6ee373","name":"Past record of Air Pollution Index  (English) Dec 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:06.837154"},{"id":"b8d32d9f-ebe4-426d-bf50-a641a75eac04","name":"Past record of Air Pollution Index  (English) Aug 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:11.828736"},{"id":"b9f75444-c7c5-4129-b079-8219a0f1e0c1","name":"Past record of Air Pollution Index  (English) Nov 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:57.777624"},{"id":"bc5ab29d-1026-4398-8987-98aecf3438f7","name":"Past record of Air Pollution Index  (English) Oct 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:51.123478"},{"id":"bdc66812-e9fc-41f7-815f-b1bcdbe98b70","name":"Past record of Air Pollution Index  (English) Jun 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:18.633693"},{"id":"bec8ddef-95e2-4651-8fce-952bb791fbc1","name":"Past record of Air Pollution Index  (English) Oct 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:59.606802"},{"id":"c3e20b5e-7969-4722-a2f1-66ee1eea60fc","name":"Past record of Air Pollution Index  (English) Apr 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:34.654586"},{"id":"c47f3f29-1381-4640-a403-924c0f88fffc","name":"Past record of Air Pollution Index  (English) Feb 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:58.299482"},{"id":"c69c3303-ce8e-4cd5-902f-f58beaf59951","name":"Past record of Air Pollution Index  (English) Aug 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr081999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:27.889452"},{"id":"c8de530e-11e7-4c2f-be4d-653bda866158","name":"Past record of Air Pollution Index  (English) Dec 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:55.652009"},{"id":"cabbdd86-4e02-47c0-906f-be53096248d4","name":"Past record of Air Pollution Index  (English) Dec 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:24.429091"},{"id":"cc09ee8a-f72b-49c8-b9b6-a7fc96c36115","name":"Past record of Air Pollution Index  (English) Apr 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:17.690107"},{"id":"cc8bc6bd-39f0-4a80-9b70-b248cf78439f","name":"Past record of Air Pollution Index  (English) Oct 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:46.045830"},{"id":"cdbc6bc8-abea-4fa4-8605-fd110a01c0a8","name":"Past record of Air Pollution Index  (English) Aug 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:40.249727"},{"id":"ce288774-3ff3-45c0-aeae-98eadc35d6fe","name":"Past record of Air Pollution Index  (English) Aug 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Aug.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr082009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:29.559257"},{"id":"ce2ae950-621d-47d3-8b06-6bfcf834dc89","name":"Past record of Air Pollution Index  (English) Sep 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:18.118526"},{"id":"ce6994ef-3cb3-482b-81c7-cfe5abd10d92","name":"Past record of Air Pollution Index  (English) May 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:35.852910"},{"id":"d055cc4c-ce14-4d38-99fe-17279e45a0d8","name":"Past record of Air Pollution Index  (English) Nov 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:43.771454"},{"id":"d0c917ca-9345-4bf3-bfe9-9ef76fec729d","name":"Past record of Air Pollution Index  (English) Apr 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:08.148807"},{"id":"d11fd0d1-e142-4f59-a7a6-df238122b57c","name":"Past record of Air Pollution Index  (English) Jan 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:10.475569"},{"id":"d1465475-d557-4cdf-be39-8355f9ab1c0d","name":"Past record of Air Pollution Index  (English) Jul 2008","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2008. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072008.csv","format":"CSV","language":"en","updated":"2025-08-04T17:01:22.766372"},{"id":"d45da68b-dda4-41b3-b274-7847d8e9b3c2","name":"Past record of Air Pollution Index  (English) Sep 2012","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2012. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092012.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:18.431346"},{"id":"d5001c37-8d11-4847-9456-a8d5019a2e16","name":"Past record of Air Pollution Index  (English) Jun 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:51.826784"},{"id":"d63ba39c-c884-499d-82cf-74317f24791f","name":"Past record of Air Pollution Index  (English) Apr 2006","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2006. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042006.csv","format":"CSV","language":"en","updated":"2025-08-04T16:59:22.351105"},{"id":"d7636f14-4827-4d7b-9d13-cc427e198632","name":"Past record of Air Pollution Index  (English) Nov 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr111999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:30.242777"},{"id":"d9503fe2-9fbf-4e30-9d29-afe1ecb59c5f","name":"Past record of Air Pollution Index  (English) Jul 2010","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2010. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072010.csv","format":"CSV","language":"en","updated":"2025-08-04T17:03:34.409458"},{"id":"dafa8f6e-23e7-4737-8b30-3cf51ef5c34d","name":"Past record of Air Pollution Index  (English) May 2000","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2000. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052000.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:35.628413"},{"id":"db8a950d-2c06-40b3-bab1-45f1cb201e65","name":"Past record of Air Pollution Index  (English) Apr 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Apr.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr042011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:27.774256"},{"id":"dbb84135-f2ca-4cb9-86ea-8c2a46774575","name":"Past record of Air Pollution Index  (English) Jan 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:26.537720"},{"id":"df55bd53-b999-46ca-b8b9-563846c7b2b3","name":"Past record of Air Pollution Index  (English) Mar 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:04:21.557223"},{"id":"dfa9047e-a8a4-4073-8786-934c32a90a4e","name":"Past record of Air Pollution Index  (English) Nov 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:58.435913"},{"id":"e3191ddc-4156-419d-a3a3-37fe0322f181","name":"Past record of Air Pollution Index  (English) Nov 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:59.557504"},{"id":"e34182b1-5014-4949-8669-09678906cc16","name":"Past record of Air Pollution Index  (English) Jun 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jun.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr062013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:07:22.283360"},{"id":"e3714a1d-9375-4ed3-b101-65dbf28899f8","name":"Past record of Air Pollution Index  (English) Jan 2013","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jan.2013. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr012013.csv","format":"CSV","language":"en","updated":"2025-08-04T17:06:47.519129"},{"id":"e9ac82dc-7569-4cb0-a881-5b6ac95b7a8f","name":"Past record of Air Pollution Index  (English) Sep 2005","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Sep.2005. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr092005.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:56.315352"},{"id":"eace6ecf-df1d-4d5e-99b6-01b4cc6c1380","name":"Past record of Air Pollution Index  (English) Dec 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:19.396790"},{"id":"ebd7a0b2-c834-4248-b5f7-2095fe2f57de","name":"Past record of Air Pollution Index  (English) May 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in May.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr052009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:13.434191"},{"id":"ec1cae37-bec6-4ca3-997a-50729ea9b1c9","name":"Past record of Air Pollution Index  (English) Mar 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:47.697078"},{"id":"eddc7b7f-5342-41eb-b6c6-bc89c6979f55","name":"Past record of Air Pollution Index  (English) Oct 1999","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.1999. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr101999.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:29.436187"},{"id":"f04b0ba4-0da1-44bc-91c5-d7ddaf95c701","name":"Past record of Air Pollution Index  (English) Mar 2002","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2002. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032002.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:06.712466"},{"id":"f1c4b6e3-3d44-4089-8889-717217447dc6","name":"Past record of Air Pollution Index  (English) Nov 2009","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Nov.2009. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr112009.csv","format":"CSV","language":"en","updated":"2025-08-04T17:02:50.111481"},{"id":"f397b06f-18f3-4d45-ad70-32b8085fac28","name":"Past record of Air Pollution Index  (English) Jul 2004","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2004. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072004.csv","format":"CSV","language":"en","updated":"2025-08-04T16:58:12.305806"},{"id":"f3b7bd67-5b88-4690-9b63-71641b2f12ff","name":"Past record of Air Pollution Index  (English) Dec 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Dec.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr122001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:01.242347"},{"id":"f4626092-d15f-44bb-952a-42d1374baca1","name":"Past record of Air Pollution Index  (English) Oct 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:57.905618"},{"id":"f9b69d93-0c23-49fc-bd91-0b87c80e7d73","name":"Past record of Air Pollution Index  (English) Oct 2011","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Oct.2011. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr102011.csv","format":"CSV","language":"en","updated":"2025-08-04T17:05:06.206404"},{"id":"fa25ddd9-4c07-4771-851a-1b01af15c2a4","name":"Past record of Air Pollution Index  (English) Jul 2007","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2007. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072007.csv","format":"CSV","language":"en","updated":"2025-08-04T17:00:24.870155"},{"id":"fb6acf02-da56-408d-98fb-03a9541da298","name":"Past record of Air Pollution Index  (English) Jul 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Jul.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr072001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:53.282025"},{"id":"fdf30a91-fe8a-44f7-9f4e-06d95051a0a7","name":"Past record of Air Pollution Index  (English) Feb 2001","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Feb.2001. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr022001.csv","format":"CSV","language":"en","updated":"2025-08-04T16:56:46.369409"},{"id":"fe166ffe-1cfe-454c-84ef-895327e9a7e4","name":"Past record of Air Pollution Index  (English) Mar 2003","description":"Hourly Air Pollution Index (API) at different Air Quality Monitoring stations in Mar.2003. \n\nThe API is a simple way of describing air pollution levels.  In Hong Kong, the API converts air pollution data from several types of pollutants into a value ranging from 0 to 500.  Since API has been replaced by AQHI on 30 December 2013, please refer to the [archive of API webpage](http://www.aqhi.gov.hk/en/related-websites/air-pollution-index.html), if you want to have the information of API. \n\nThe above external links lead to a collection of CSV files containing past hourly API data from July 1999 to December 2013.\n\nThe Air Pollution Index has been replaced by the Air Quality Health Index (AQHI) since 30 December 2013.  At present, there are 3 roadside and 12 general stations reporting AQHI.  Please refer to the [thematic page of AQHI](http://www.aqhi.gov.hk/en) for more information.","url":"http://www.aqhi.gov.hk/api_history/download/hourly/eng/hr032003.csv","format":"CSV","language":"en","updated":"2025-08-04T16:57:31.229835"}],"sourceUrl":"https://data.gov.hk/en-data/api/3/action/package_show?id=hk-epd-airteam-past-record-of-air-pollution-index-en","updated":"2025-08-04T17:08:06.158567","retrievedAt":"2026-10-20T22:31:00.105Z","license":"","licenseUrl":""}