Pollutant and AQHI Distribution

(At 2019-11-17 23:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong87.611.85.552.123.14
Sham Shui Po102.377.945.728.34
Kwai Chung88.36.59.942.425.84
Tsuen Wan80.982.4671.632.716.73
Tseung Kwan O83.68.73.5894.131.819.13
Yuen Long751.24.395651.120.43
Tuen Mun82.87.14.4674.245.131.94
Tung Chung63.813.13.4449.924.616.53
Tai Po65.57.43.937.326.13
Sha Tin79.13.85.631.114.93
Tap Mun8.156.65.1530.220.213.53

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay81.410.32.7844.530.417.24
Mong Kok88.1122.2878.94727.34


(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:23:07 17-11-2019