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Pollutant and AQHI Distribution

(At 2021-10-16 09:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western32.123.92.421.714.32
Southern24.235.81.8601.720.914.22
Eastern3132.70.525.213.72
Kwun Tong46.615.53.122.914.92
Sham Shui Po31.123.93.615.48.92
Kwai Chung39.816.32.921.7142
Tsuen Wan31.818.94.91080.822.2162
Tseung Kwan O10.943.71.9680.519.711.82
Yuen Long38.315.39.7765.826.118.62
Tuen Mun31.621.45.4823.424.1212
Tung Chung32.317.66.8544.118.712.92
Tai Po29.419.63.42214.72
Sha Tin24.920.42.619.112.62
North22.833.92.81001.920.414.12
Tap Mun9.641.97.1925.228.1142

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay68.17.95.5656.131.221.43
Central59.45.95.51222.826.4172
Mong Kok37.416.20.71059.723.215.12


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.