Smart Lampposts Air Quality Data

Data Category
Update Frequency
Every 5 minutes
PAQS website url has updated to https://paqs.epd-asmg.gov.hk since 18 Mar 2024.
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 add to the download queue.
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