Pollutant and AQHI Distribution

(At 2018-08-17 05:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong34.316.15.415102
Sham Shui Po49.19512.5-2
Kwai Chung22.125313.17.32
Tsuen Wan642.93.84205.45.42
Tseung Kwan O27.48.33.7528.113.24.92
Yuen Long16.639.35.4681126.42
Tuen Mun34.89.16.9764.215.972
Tung Chung24.120.35.2370.59.33.22
Tai Po1821.
Sha Tin28.921.
Tap Mun4.137.75.833714.36.22

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay557.63.790016.210.12
Mong Kok59.93.54.4533.4--2


(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.

(5) Owing to urgent repair and maintenance, PM10 and PM2.5 monitoring at Mong Kok roadside air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.

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Last revision date:05:07 17-08-2018