Pollutant and AQHI Distribution

(At 2020-02-18 15:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong25.373.82.227104
Sham Shui Po47.861.38.925.911.34
Kwai Chung41.472.45.120.612.94
Tsuen Wan27.1785.8482.412.37.53
Tseung Kwan O7.5101.12.9534.718.98.94
Yuen Long22.584.65.3264.6-8.84
Tuen Mun23.184.95.9432.823.916.84
Tung Chung1182.94.4186.711.15.64
Tai Po15.4913.113.88.94
Sha Tin10.591.49.413.793
Tap Mun3.1102.86.4625.125.210.34

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay74.639.84.7393.32814.54
Mong Kok94.825.13.8580.125.914.34


(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:15:07 18-02-2020