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Pollutant and AQHI Distribution

(At 2019-11-21 08:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong7235.26.667.827.84
Sham Shui Po60.740.310.258.719.44
Kwai Chung5935.48.844.821.14
Tsuen Wan68.818.410.7770.532.619.33
Tseung Kwan O29.869.55.6603.647.218.24
Yuen Long72.425.78.2611.372.720.13
Tuen Mun90.38.26.9657.273.3384
Tung Chung45.59.92.9436.331.617.72
Tai Po63.92.95.342.327.23
Sha Tin79.1147.439.919.73
Tap Mun23.369.213.9729.860.5294

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay103.26.95.8777.756.227.34
Mong Kok70.726.83.4595.652.325.84


(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.