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Pollutant and AQHI Distribution

(At 2017-11-22 09:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong65.3113.821.111.13
Sham Shui Po40.718.53.717.612.12
Kwai Chung74.97.25.922.717.13
Tsuen Wan39.3149.4609.916.610.52
Tseung Kwan O25.926.86.284821.69.52
Yuen Long302310.1520.636.716.42
Tuen Mun41.78.810.8747.152.124.12
Tung Chung39.77.310.8738.648.3322
Tai Po3119.81.522.913.62
Sha Tin26.426.22.513.972
Tap Mun6.434.16.6736.416.37.72

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay87.81.45.9590.434.421.13
Mong Kok59.710.43.5696.520.914.82


(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.

Last revision date:09:06 22-11-2017