(At 2021-09-21 21:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 75.7 | 1.4 | 6.9 | 16.3 | 11.4 | 3 | |
| Southern | 10.3 | 28.5 | 3.9 | 377.1 | 16.1 | 1.3 | 2 |
| Eastern | 28.4 | 50.3 | 0.9 | 8.9 | 7.4 | 3 | |
| Kwun Tong | 72 | 14.5 | 2.7 | 11.1 | 8 | 3 | |
| Sham Shui Po | 85.9 | 4.7 | 19.4 | 23.6 | 15.4 | 3 | |
| Kwai Chung | 66.7 | 2.2 | 5.5 | 25.3 | 17.6 | 3 | |
| Tsuen Wan | 51.1 | 1.9 | 5.1 | 684.3 | 21.6 | 14.3 | 2 |
| Tseung Kwan O | 52 | 16.4 | 2.2 | 692.8 | 16.5 | 6.6 | 3 |
| Yuen Long | 52.4 | 9.4 | 10.6 | 1073.7 | 16.6 | 12.3 | 3 |
| Tuen Mun | 37.8 | 31.2 | 5.5 | 668.7 | 13 | 9 | 3 |
| Tung Chung | 34.3 | 4.7 | 6.9 | 385.1 | 10.4 | 5.9 | 2 |
| Tai Po | 56 | 1.5 | 4.1 | 20.3 | 12.4 | 2 | |
| Sha Tin | 56 | 0.4 | 5.2 | 24.5 | 15.3 | 2 | |
| North | 49.1 | 5.3 | 2.4 | 982.2 | 18.4 | 12.4 | 2 |
| Tap Mun | 4.7 | 32.5 | 6.7 | 470.4 | 6.5 | 4.7 | 2 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 74.3 | 4.3 | 9 | 1265.2 | 50.2 | 36 | 3 |
| Central | 85.3 | 4.7 | 11.2 | 1885.1 | 44.2 | 33 | 3 |
| Mong Kok | 93.9 | 2.4 | 15.2 | 970.9 | 22.9 | 17.1 | 3 |
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.
