Pollutant and AQHI Distribution
(At 2020-06-05 04:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 9.4 | 28.7 | 4.1 | 5.7 | 2.5 | 2 | |
| Eastern | 9.7 | 28.8 | 1.3 | 10.2 | 3.6 | 2 | |
| Kwun Tong | 18.3 | 18.6 | 5.2 | 4.7 | - | 2 | |
| Sham Shui Po | 36.5 | 13.4 | 2.4 | 9.8 | 1.1 | 2 | |
| Kwai Chung | 33 | 2.9 | 6.9 | 16.1 | 8.2 | 2 | |
| Tsuen Wan | 12.2 | 13.9 | 5.2 | 276 | 6.5 | 4.8 | 1 |
| Tseung Kwan O | 15.7 | 26.7 | 4.9 | 414.4 | 9.2 | 1.5 | 2 |
| Yuen Long | 7.7 | 20.5 | 3.9 | 319.2 | 9 | 7.7 | 1 |
| Tuen Mun | 16.9 | 24.3 | 0.7 | 295 | 9.9 | 2.2 | 2 |
| Tung Chung | 2.6 | 33 | 1 | 149.4 | 8.4 | 3.7 | 2 |
| Tai Po | 13.9 | 24.5 | 1.6 | 4.7 | 2.9 | 2 | |
| Sha Tin | 22.8 | 14.9 | 7 | 11.6 | 5.3 | 2 | |
| Tap Mun | 3.2 | 21 | 1.8 | 194.9 | 6.9 | 2.3 | 1 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 22 | 21 | 3 | 878.4 | 3.1 | 0.7 | 2 |
| Central | 34.7 | 21 | 2.2 | 753.6 | 17.4 | 13.9 | 2 |
| Mong Kok | 35.9 | 9.3 | 1.5 | 442.4 | 2.5 | 1.5 | 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.
