Pollutant and AQHI Distribution

(At 2018-10-20 17:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong39.689.
Sham Shui Po59.880.93.249.3265
Kwai Chung41.993.3339.723.45
Tsuen Wan41.6935.3503.739.821.25
Tseung Kwan O14.2130.96.4494.934.415.55
Yuen Long43.181.94452.546.522.15
Tuen Mun30.7104.44.5773.252.128.95
Tung Chung22110.38.7310.443.620.45
Tai Po37.9105.72.334.919.35
Sha Tin16.6130.92.438.616.25
Tap Mun5.6136.97.1281.143.820.75

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay95.741.16.3633.161.636.15
Mong Kok108.347.32.2540.151.131.65


(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:17:07 20-10-2018