Pollutant and AQHI Distribution

(At 2017-01-24 10:00)


General Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Central/Western 42 69 8.6 73.6 45.5 5
Eastern 56 68.5 5.2 72.4 41 5
Kwun Tong 35.3 68.7 10.9 75.2 46.8 5
Sham Shui Po 76.6 48.8 10.6 63.8 44 5
Kwai Chung 66.7 56.5 6.6 68.8 43.8 5
Tsuen Wan 74.9 53.8 12.8 837.1 69.1 40.7 5
Tseung Kwan O 20.9 90.4 9.4 817.5 68 39 5
Yuen Long 50.2 63.3 10.6 605.5 79.1 40.4 5
Tuen Mun 39.8 64.9 5.6 788.2 76 44 4
Tung Chung 45.7 58.5 12.9 591.3 80.9 50 4
Tai Po 37.7 81.3 5.5 69.2 42.2 5
Sha Tin 22.5 86.8 10.3 83.9 55.6 5
Tap Mun - - - - 71.2 38.6 5

Roadside Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Causeway Bay 120 17.3 8.3 884.2 - - 5
Central 98.7 40.7 6.4 1069.1 74.9 44.1 5
Mong Kok 92.8 30.7 5.1 790.2 78.5 49.5 5


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:10:08 24-01-2017