Pollutant and AQHI Distribution

(At 2020-02-18 13:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong16.977.42.234.6174
Sham Shui Po---30.28.44
Kwai Chung43.163.55.317.712.63
Tsuen Wan23.474.65.8480.7--3
Tseung Kwan O7.394.22.5501.219.73.93
Yuen Long15.780.15.3225.3--3
Tuen Mun22.180.66434.223.1163
Tung Chung----6.733
Tai Po19.583.13.63431.83
Sha Tin5.990.69.511.87.63
Tap Mun4.294.56.5602.123.19.93

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay72.937.34.3578.12811.24
Mong Kok64.341.22.4482.417.78.33


(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.

Mobile Version | Desktop Version
Last revision date:13:07 18-02-2020