Pollutant and AQHI Distribution

(At 2019-08-18 04:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong25.825.212.12262
Sham Shui Po25.3254.2122.72
Kwai Chung442.65.814.78.92
Tsuen Wan1324.87250.29.71.32
Tseung Kwan O37.719.55358.411.42.62
Yuen Long24.524.75.6350.513.16.72
Tuen Mun29.923.13452.214.162
Tung Chung10.748.51.831410.662
Tai Po34.
Sha Tin35.418.85.4143.92
Tap Mun9.68.83354.721.88.71

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay44.912.62.6730.915.48.82
Mong Kok34.519.70.960410.94.82


(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:04:07 18-08-2019