Pollutant and AQHI Distribution

(At 2015-04-27 23:00)


General Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Central/Western 102.7 1.2 15.3 - 53 32.8 4
Eastern 75.8 24 12 - 42.1 27.9 4
Kwun Tong 91.4 8.4 11.3 - 51.6 39.6 4
Sham Shui Po 104.6 3.1 66.8 - 41.2 28.1 4
Kwai Chung 99.6 8 82.6 - 52.1 35.1 5
Tsuen Wan 86 3 29.7 816.2 42.4 28.3 4
Yuen Long 71.4 8.6 29.9 657.7 51.7 38.2 3
Tuen Mun 51.2 27.2 17.3 573.2 41.1 31 3
Tung Chung 54.2 6 7.1 638.6 21.7 12.2 2
Tai Po 74.5 20.1 12.4 - 52.1 33.9 4
Sha Tin 97 1.6 48.6 - 48.5 33.8 4
Tap Mun 6.3 85 7 884 35.7 24.6 4

Roadside Stations
Pollutant Concentrations(μg/m3)
Station Names NO2 O3 SO2 CO PM10 PM2.5 AQHI
Causeway Bay 187.6 1 16.9 793.7 64.2 41.1 6
Central 117.3 2 13.3 620.2 56.1 34.9 4
Mong Kok 151.5 1.2 25 899.6 - - 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:23:07 27-04-2015