Welcome to Environmental Protection Department Air Quality Health Index Website


(At 2022-01-27 07:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western30.676.53.121.518.94
Southern25.276.80.8640.722.418.64
Eastern38.965.30.523.419.24
Kwun Tong31.962.45.32115.33
Sham Shui Po41.556.83.713.8-3
Kwai Chung21.262.85.919.216.13
Tsuen Wan50.235.94.6963.222.219.13
Tseung Kwan O14.677.63635.219.2153
Yuen Long42.332.73.2931.928.421.93
Tuen Mun51.822.41.7808.227223
Tung Chung26.235.17.2596.925.520.23
Tai Po28.4633.420.616.13
Sha Tin19.376.63.220.115.53
North42.247.73.2649.221.514.53
Tap Mun8.385.27.2490.120.914.13

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay57.440.62.777029.822.13
Central7036.42.41057.428.422.74
Mong Kok50.136.51.8766.92317.93


Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(4) The Pollutant concentration and AQHI information are based on real time data taken directly from EPD's Air Quality Monitoring Network.


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Last revision date: 07:07 27-01-2022