Environmental Protection Department

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (English Version)

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (Simplified Chinese Version)

Hourly Air Quality Health Index (AQHI) at different Air Quality Monitoring stations since 30 December 2013 (Traditional Chinese Version)

Quantity of (i) municipal solid waste and (ii) domestic waste disposed of at landfills on a daily basis by an average person of the Hong Kong population from 2009 to 2024

The PATH model provides future background air pollutant concentrations predictions for Hong Kong.

The Pollution Complaint Statistics is a breakdown by District and Nature. The multiple file formats are available for dataset download in API.

Pollution Load Inventory for Water Quality Modelling, 2021 and 2041

Recent Dissolved Oxygen (DO) and 5-day Biochemical Oxygen Demand (BOD5) data at different Marine Water Quality Monitoring stations from 2024/10 to 2026/9

Recent Dissolved Oxygen (DO) and 5-day Biochemical Oxygen Demand (BOD5) data at downstream monitoring stations of major rivers from 10/2024 to 09/2026

Provision of information on of recyclable collection points in public places of Hong Kong. It covers recycling bins and collection points for paper, metals, plastics, glass bottles, fluorescent lamps, rechargeable batteries, small electrical and electrical equipment, regulated electrical equipment, clothes, barbecue forks and tetra pak.

Information of reverse vending machines (RVMs) under the RVM Pilot Scheme

Locations of schools participating in the "Waste Separation and Recycling Scheme in Schools". Students can understand the importance of resource conservation and waste separation through practicing proper separation of waste for recycling.

Air quality data including nitrogen monoxide, nitrogen dioxide and PM2.5 concentrations measured by Smart Lamppost sensors

The location of premises with Specified Process Licence

Annual quantity of total solid waste disposed of at landfills from 2009 to 2024

Annual quantity of total solid waste disposed of at landfills by waste category, including (i) municipal solid waste, (ii) overall construction waste and (iii) special waste from 2009 to 2024

EPD Waste Management Facilities include Strategic Landfills, Refuse Transfer Stations, Chemical Waste Treatment Centre, O.PARKs, EcoPark, WEEE·PARK, Y·PARK.

Provide the locations of the water dispensers available in government venues for public use to facilitate the public to inculcate a "bring your own bottle" culture and reduce the use of bottled water.

List of water dispensers in venues of Environmental Protection Department