Pollutant and AQHI Distribution

(At 2014-10-31 14:00)


General Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Central/Western 32 81.5 5.2 - 52.6 31.3 4
Eastern 52.3 54.7 3 - 46.1 34.2 4
Kwun Tong 32 80.7 7 - 66.4 39.8 4
Sham Shui Po 79.2 49.3 8 - 47.8 36.8 4
Kwai Chung 71.8 66.9 8.8 - 45.8 31 5
Tsuen Wan 98.6 36.1 23.5 564.2 62 39 5
Yuen Long - - - - 59.5 37.5 4
Tuen Mun 60.8 55.2 17.7 506.5 57.9 39.9 4
Tung Chung 70.5 37.2 15.7 676 53.8 32.3 4
Tai Po 28.7 86.5 1.6 - 42.1 26.3 4
Sha Tin 18.5 103.2 5.8 - 45.4 28.6 4
Tap Mun 2.2 125.3 6.4 733.1 53.4 29.9 5

Roadside Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Causeway Bay 86.2 40 3.2 502.6 58.2 36.1 5
Central 167 16.8 3.7 913.7 51.3 33.8 6
Mong Kok 97.2 37.9 4.2 925.4 55.7 36.6 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.

Mobile Version | Desktop Version
Last revision date:14:08 31-10-2014