Pollutant and AQHI Distribution

(At 2018-10-19 06:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong12.294.41.351.1304
Sham Shui Po22100.13.440.428.95
Kwai Chung15.2107.93.14226.95
Tsuen Wan17.4100.35.255437.823.94
Tseung Kwan O9.4118.46.4571.642.422.15
Yuen Long35.431.66.173656.726.93
Tuen Mun42.437.56107249.332.14
Tung Chung12.8103.79.1378.739.8204
Tai Po17.4102.92.239.924.54
Sha Tin13.4118.2242.721.55
Tap Mun5113.96.9411.748.625.75

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay33.186.14.8484.837.4214
Mong Kok35.587.11.4517.140.528.35


(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:06:07 19-10-2018