Pollutant and AQHI Distribution

(At 2019-02-22 20:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong52.5644.41594
Sham Shui Po100.328.16.353.729.95
Kwai Chung142.319.9154928.66
Tsuen Wan130.523.312.71298.960.246.86
Tseung Kwan O24.4856.2857.315.56.74
Yuen Long114.328.29.21084.95726.66
Tuen Mun111.719.58.11203.665.9435
Tung Chung44.761.610.8780.85337.95
Tai Po37.173.32.520.7134
Sha Tin54.864.8652.233.25
Tap Mun1786.15.5905.117.18.94

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay66.737.82.6824.952.636.35
Mong Kok142.210.76.61322.361.2466


(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:20:07 22-02-2019