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Pollutant and AQHI Distribution

(At 2018-12-18 01:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong108.14.4844.918.24
Sham Shui Po71.526.75.939.920.44
Kwai Chung1037.47.837.121.74
Tsuen Wan----19.817.33
Tseung Kwan O906.65.7991.941.224.94
Yuen Long----45.127.74
Tuen Mun87.66.87.61256.76033.84
Tung Chung----37.223.33
Tai Po69.43.52.541.512.73
Sha Tin84.
Tap Mun20.244.56.7484.533.9213

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay102.93.311.51049.149.229.14
Mong Kok107.54.88.41133.946.331.64


(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 equipment maintenance, monitoring of Nitrogen Dioxide at Tuen Mun general air quality monitoring station is temporarily suspended. We apologize for any inconvenience caused.

Last revision date:01:07 18-12-2018