# Smart Lampposts Air Quality Data [← Text catalogue home](/index.md) [HTML](/datasets/hk-epd-lamppost-air-quality-lamppost/) · [JSON](/datasets/hk-epd-lamppost-air-quality-lamppost.json) · [Markdown](/datasets/hk-epd-lamppost-air-quality-lamppost.md) - ID: ` hk-epd-lamppost-air-quality-lamppost ` - Publisher: [Environmental Protection Department](/publishers/c22ba033-6505-4d76-9d58-76de3a3b5b0d/) · [Markdown](/publishers/c22ba033-6505-4d76-9d58-76de3a3b5b0d/index.md) - Categories: [Environment](/categories/environment/) · [Markdown](/categories/environment/index.md) - Tags: Not stated - Resources: 1 - Updated: 2026-06-12T16:32:54.485507 - Update frequency (publisher metadata): As and when necessary - Harvest started: 2026-10-21T22:30:56.999Z - Licence: Not stated - Source: [Official metadata record]() Harvest started is the source harvest start associated with this record, not its precise retrieval time. Updated is an upstream metadata claim. ## Description Air quality data including nitrogen monoxide, nitrogen dioxide and PM2\.5 concentrations measured by Smart Lamppost sensors ## Resources These are upstream resource links from metadata. Resource contents and endpoint availability have not been verified here. ### [Smart Lampposts Air Quality Data]() - Resource ID: ` 008decfd-20af-4fd2-9f44-341d1fd3a0c6 ` - Format: ZIP - Language: 英文 - Updated: 2026-06-12T16:32:54.495218 - API flag (publisher metadata): N - Original URL: ` https://app.data.gov.hk/v1/historical-archive/get-file?url=https%3A%2F%2Fpaqs.epd-asmg.gov.hk%2Fdata%2Fdata.json&time=20260201 ` Air quality data including nitrogen monoxide, nitrogen dioxide and PM2\.5 concentrations measured by Smart Lamppost sensors ## Document availability Parsed specifications and data dictionaries: not available for this dataset. [Document availability](/documents.md).