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Pollutant and AQHI Distribution

(At 2021-06-15 04:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western-50.7-9.84.92
Southern21.639.94.9231.113.63.82
Eastern15.152.90.818.1103
Kwun Tong16.831.35.38.15.92
Sham Shui Po---19.78.22
Kwai Chung51.50.916.317.111.72
Tsuen Wan44.411.69.3594.513.77.72
Tseung Kwan O17.127.51.6349.713.79.22
Yuen Long8.543.48516.315.69.52
Tuen Mun9.438.23464.112.13.12
Tung Chung-51.74.483.111.47.92
Tai Po2431.62.4115.52
Sha Tin26.8226.111.15.42
North14.836.65.5260.215.85.82
Tap Mun4.540.75.4310.98.74.32

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay-48.1--11.76.43
Central21.133.42.7297.415.411.52
Mong Kok24.627.73.3642.310.86.32


Remarks:

(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.