Pollutant and AQHI Distribution

(At 2017-10-17 15:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong28.564.33.432163
Sham Shui Po63.4365.4--3
Kwai Chung49.459.96.323.714.24
Tsuen Wan4858.17.954828.421.63
Tseung Kwan O18.981.56680.119.710.53
Yuen Long56.661.96.4507.553.621.34
Tuen Mun73.956.55.3835.64120.24
Tung Chung50.641.566452514.63
Tai Po60.852.72.126.918.24
Sha Tin35.770.45.317.97.93
Tap Mun1179.78.1753.926.213.7-

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay89.817.57.6379.440.926.24
Mong Kok93.222.43.1833.533.425.54


(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:15:05 17-10-2017