Pollutant and AQHI Distribution

(At 2019-06-18 13:00)

General Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Kwun Tong43.7264.51862
Sham Shui Po50.116.24.714.59.72
Kwai Chung48.417.
Tsuen Wan47.215.77.9377.814.59.32
Tseung Kwan O22.538.92.9262.69.81.12
Yuen Long14.845.15.94209.14.62
Tuen Mun19.348.43.9532.61133
Tung Chung9.349.66.9365.35.84.22
Tai Po22.742.23.7652
Sha Tin1941.64.4--2
Tap Mun4.151.15.878.87.64.12

Roadside Stations
Pollutant Concentrations(μg/m3)
Station NamesNO2O3SO2COPM10PM2.5AQHI
Causeway Bay68.8125.5709.822.714.93
Mong Kok77.16.23.499619.715.33


(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.

Last revision date:13:07 18-06-2019