Smart Lampposts Air Quality Data

Data Providers
Environmental Protection Department
Data Category
Environment
Update Frequency
As and when necessary
EPD has suspended the smart lamppost air quality sensor operation since 1 Feb 2026, only historical data until 31 Jan 2026 will be available in the DATA.GOV.HK. For any enquiries, please free to reach Email: aqinfo@epd.gov.hk.

Description

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

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    Download Historical Data

    We have gathered historical data for your convenience. Historical data is the previous version(s) of a file(s). Specify a date range and select the data you wish to download.
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    Additional Information

    Maintainer
    Enquiry Hotline
    Phone
    28383111
    Email
    aqinfo@epd.gov.hk

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