Pollutant and AQHI Distribution
(At 2020-07-11 23:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 9.9 | 30.4 | 3.3 | 9.7 | 5.3 | 2 | |
| Southern | 35.3 | 13.2 | 3 | 250.5 | 16 | 5.6 | 2 |
| Eastern | 23.9 | 8.5 | 2.3 | 21.7 | 8.4 | 2 | |
| Kwun Tong | 42.7 | 5.1 | 5.3 | 16 | 7 | 2 | |
| Sham Shui Po | 23.9 | 18.4 | 3.5 | 7.3 | 2.8 | 2 | |
| Kwai Chung | 39.4 | 1.4 | 11.7 | 18.7 | 11 | 2 | |
| Tsuen Wan | 26.1 | 6.4 | 6.5 | 389.8 | 13.4 | 7 | 2 |
| Tseung Kwan O | 24.2 | 17.8 | 4.4 | 564.9 | 12.7 | 2 | 2 |
| Yuen Long | 13.9 | 12.8 | 3 | 357.8 | 18.4 | 8.9 | 2 |
| Tuen Mun | 9.3 | 19.3 | 1.8 | 459.1 | 18 | 8 | 2 |
| Tung Chung | 2.4 | 30.8 | 0.9 | 201.7 | 10.6 | 4.8 | 2 |
| Tai Po | 19.5 | 22.6 | 3.1 | 9.2 | 5.5 | 2 | |
| Sha Tin | 26.9 | 10.7 | 11.6 | 13.1 | 7.7 | 2 | |
| North | 16.6 | 19.7 | 6.3 | 215.6 | 11.2 | 6.2 | 2 |
| Tap Mun | 7.8 | 23.8 | 3.3 | 162.9 | 8.3 | 4.4 | 2 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 43.5 | 13.5 | 5.5 | 444.9 | 26.2 | 17.6 | 2 |
| Central | 49 | 16.8 | 3.7 | 683.5 | 14.8 | 7.3 | 2 |
| Mong Kok | 54 | 6.5 | 4 | 678.8 | 14.3 | 8.9 | 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.
