Pollutant and AQHI Distribution

(At 2019-09-16 04:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong18.677.44.424.116.24
Sham Shui Po2073.57.326.516.14
Kwai Chung43.733.26.426.718.13
Tsuen Wan42.838.56.7343.219.516.93
Tseung Kwan O26.162.92.7549.118.516.13
Yuen Long38.9484.144829.715.73
Tuen Mun22.9751.2568.427.619.84
Tung Chung18.7632.8423.816.613.82
Tai Po1775.16.818.7153
Sha Tin28493.219.416.53
Tap Mun3.387.53.9463.219.714.64

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay43.253.91.7711.623.918.34
Mong Kok32.665.20.9785.921.918.14


(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:04:07 16-09-2019