Pollutant and AQHI Distribution
(At 2020-04-01 03:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 41 | 0.5 | 5.2 | 16.9 | 12 | 2 | |
| Eastern | 43.7 | 7.5 | 2.1 | 25.9 | 15.9 | 2 | |
| Kwun Tong | 48.3 | 1.4 | 7.5 | 23.5 | 13.8 | 2 | |
| Sham Shui Po | 43.5 | 4.1 | 6.9 | 18.3 | 10.4 | 2 | |
| Kwai Chung | 39.7 | 6 | - | 19.6 | 13.1 | 2 | |
| Tsuen Wan | 35.6 | 1.4 | 5 | 855.8 | 12.4 | 8 | 2 |
| Tseung Kwan O | 40.7 | 2.6 | 3.8 | 869 | 18.9 | 15.5 | 2 |
| Yuen Long | 24.7 | 0.8 | 6.1 | 751.6 | 18.4 | 15.6 | 1 |
| Tuen Mun | 31.9 | 4.8 | 7.5 | 1029.5 | 26.9 | 17 | 2 |
| Tung Chung | 35.1 | 0.9 | 8.8 | 871.4 | 24.2 | 14.6 | 2 |
| Tai Po | 27.5 | 1.1 | 3.1 | 19.3 | 13.4 | 2 | |
| Sha Tin | 32.2 | 3.3 | 8.9 | 23.4 | 18.1 | 2 | |
| Tap Mun | 11.9 | 15.8 | 1.2 | 636.7 | 7.7 | 3 | 1 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 49.4 | 3.6 | 10.4 | 789.2 | 21.4 | 14 | 2 |
| Central | 48 | 4.3 | 8.4 | 1137.7 | 18.5 | 10.8 | 2 |
| Mong Kok | 52.4 | 6.1 | 6.8 | 1170.1 | 16.2 | 9.9 | 2 |
Remarks:
(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.
