Pollutant and AQHI Distribution
(At 2019-08-18 04:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 6.5 | 53 | 2 | 9 | 4.5 | 2 | |
| Eastern | 9.6 | 45.9 | 1.3 | 22.5 | 15.5 | 2 | |
| Kwun Tong | 25.8 | 25.2 | 12.1 | 22 | 6 | 2 | |
| Sham Shui Po | 25.3 | 25 | 4.2 | 12 | 2.7 | 2 | |
| Kwai Chung | 44 | 2.6 | 5.8 | 14.7 | 8.9 | 2 | |
| Tsuen Wan | 13 | 24.8 | 7 | 250.2 | 9.7 | 1.3 | 2 |
| Tseung Kwan O | 37.7 | 19.5 | 5 | 358.4 | 11.4 | 2.6 | 2 |
| Yuen Long | 24.5 | 24.7 | 5.6 | 350.5 | 13.1 | 6.7 | 2 |
| Tuen Mun | 29.9 | 23.1 | 3 | 452.2 | 14.1 | 6 | 2 |
| Tung Chung | 10.7 | 48.5 | 1.8 | 314 | 10.6 | 6 | 2 |
| Tai Po | 34.9 | 1.7 | 1.1 | 13.5 | 7.8 | 2 | |
| Sha Tin | 35.4 | 18.8 | 5.4 | 14 | 3.9 | 2 | |
| Tap Mun | 9.6 | 8.8 | 3 | 354.7 | 21.8 | 8.7 | 1 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 44.9 | 12.6 | 2.6 | 730.9 | 15.4 | 8.8 | 2 |
| Central | 40.2 | 22.4 | 3.9 | 759.8 | 13.6 | 8.2 | 2 |
| Mong Kok | 34.5 | 19.7 | 0.9 | 604 | 10.9 | 4.8 | 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.
