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Pollutant and AQHI Distribution

(At 2021-05-18 14:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western16.750.67.110.47.43
Southern17.850.32.7296.615.57.93
Eastern23.452.11.216.411.13
Kwun Tong45.422.93.922.1133
Sham Shui Po15.9555.917.99.23
Kwai Chung38.225.37.319.6133
Tsuen Wan32.232.84.5360.513.810.22
Tseung Kwan O14.146.81.8293.817.57.12
Yuen Long15.456.27.8239.910.66.33
Tuen Mun25.4464.3678.81614.93
Tung Chung8.946.24.1118.89.16.12
Tai Po11.3512.311.77.62
Sha Tin6.255.17.117.39.53
North12.361.92.9409.9--3
Tap Mun4.670.96.4460.610.76.53

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay53.625.36.9477.925.715.43
Central60.421.93.5420.921.613.83
Mong Kok62.217.74.8534.514.1103


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.