Pollutant and AQHI Distribution

(At 2020-01-19 20:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong67.410.96.363.1364
Sham Shui Po5723.63.848.128.34
Kwai Chung47.624.84.259.438.63
Tsuen Wan44.3255.11071.154.838.63
Tseung Kwan O43.136.71.81008.740.422.13
Yuen Long49.614.56.81298.239.138.83
Tuen Mun4222.66.51079.95942.73
Tung Chung58.6211.71084.352.335.53
Tai Po39.628.12.454.1363
Sha Tin41.623.85.950.826.63
Tap Mun12.557.45.7108825.117.33

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay88.43.96.81533.769.948.54
Mong Kok81.89.73.71149.863.144.44


(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.

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Last revision date:20:07 19-01-2020