Back Home

Pollutant and AQHI Distribution

(At 2019-06-18 12:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong48.921.34.41062
Sham Shui Po49.4164.314.98.82
Kwai Chung41.
Tsuen Wan46.816.97.7416.112.17.42
Tseung Kwan O22.7351.9266.311.13.82
Yuen Long21.937.67.2408.610.852
Tuen Mun20.3-6.5508.916.863
Tung Chung5.751.56.8356.75.13.62
Tai Po23.344.
Sha Tin25.435.64--3
Tap Mun3.352.95.778.67.952

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay----28.820.83
Mong Kok75.87.23.31019.715.211.23


(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 temporary suspension of electricity, the operation of Tap Mun general station will be temporarily suspended on 20 June 2019. We apologize for any inconvenience caused.