Pollutant and AQHI Distribution

(At 2019-09-20 19:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong71.6109.88.177.328.18
Sham Shui Po67.9113952.824.27
Kwai Chung101.873.910.331.724.37
Tsuen Wan73.586.910528.735.318.16
Tseung Kwan O94.9100.77.6500.45326.28
Yuen Long81.3111.46.9579.544.927.17
Tuen Mun113.3102.25731.65929.17
Tung Chung54.1141.16.3515.842.2267
Tai Po78.791.710.544.322.87
Sha Tin98.270.17.638.615.77
Tap Mun9158.99.4504.748.7227

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay174.425.48.691666.437.77
Mong Kok200.119.991004.949.628.47


(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:19:07 20-09-2019