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Pollutant and AQHI Distribution

(At 2019-07-21 03:00)


General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Central/Western54.29.35.317.210.42
Eastern56.17.40.923.113.12
Kwun Tong46.911.75.113.1132
Sham Shui Po32.126.14.610.36.42
Kwai Chung47.71623.812.72
Tsuen Wan34.93.26.9476.820.110.32
Tseung Kwan O48.32.13.7582.923.812.62
Yuen Long28.44.94.1868.920.28.42
Tuen Mun59.13.23.9615.32213.12
Tung Chung44.14.29.1475.8189.62
Tai Po29.324.522.211.92
Sha Tin40.13.63.225.912.72
Tap Mun7.19.72.6339.623.511.31

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay55.14.25.91101.223.915.33
Central724.84.990834.315.83
Mong Kok5316.21823.510.78.43


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.