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Pollutant and AQHI Distribution

(At 2022-01-20 17:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western45.889.23.533.322.15
Southern3795.11.8457.423.9124
Eastern54.882.82.439.420.45
Kwun Tong75.266.36.530.217.24
Sham Shui Po92.244.95.83212.14
Kwai Chung44.780.77.227.918.64
Tsuen Wan90.635.27.2920.42311.84
Tseung Kwan O13.4120.85.1483.129.813.94
Yuen Long78.765.55.58294830.85
Tuen Mun82.474.74.3750.639.724.25
Tung Chung54.591.59.9692.750.735.65
Tai Po38.199.64.620.413.75
Sha Tin21.3106.24.723.614.94
North54.980.14.234927.215.65
Tap Mun8.1128.27.8-33.319.75

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay83.950.45743.741.823.74
Central95.8395903.437.3244
Mong Kok109.6234.9737.244.627.84


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.