Pollutant and AQHI Distribution

(At 2016-07-24 04:00)


General Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Central/Western 4.8 24.1 5.5 5.5 3.7 1
Eastern 17.3 22.5 2.4 5.6 - 2
Kwun Tong 29.9 13.7 10.9 9.2 8.5 2
Sham Shui Po 38.3 2.4 26 7.2 6.9 2
Kwai Chung 38.3 5.8 38 20.1 17.2 2
Tsuen Wan 18.8 9.1 8.4 325.1 9.4 7.5 1
Tseung Kwan O - - - - 5.8 - 2
Yuen Long 22.3 13.2 10.2 641.6 4.5 - 2
Tuen Mun 11.6 18.2 8.5 516.9 20 11 2
Tung Chung 19.1 15.8 10.5 580.3 10.2 6.6 2
Tai Po 27.3 3.4 3.2 13.1 10 2
Sha Tin 33 2.4 36.9 14.2 - 2
Tap Mun 17.3 9 7.7 414.8 13.8 10.5 1

Roadside Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Causeway Bay 33.1 4.7 6.3 1383.7 10.9 8.9 2
Central 18.3 18.5 3.6 537.1 6.3 - 2
Mong Kok 36.4 2.6 17.2 555 9.7 8.7 2


Remark:
(1) NO2 - nitrogen dioxide, O3 - ozone, SO2 - sulphur dioxide, CO - carbon monoxide, PM10/RSP - particulate matter with an aerodynamic diameter of less than 10 μm / respirable suspended particulates, PM2.5 / FSP - particulate matter with an aerodynamic diameter of less than 2.5 μm / fine suspended particulates.
(2) Concentrations in micrograms per cubic meter (μg/m3).
(3) Pollutant concentrations and AQHI information are based on raw data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date:04:06 24-07-2016