Pollutant and AQHI Distribution
(At 2020-06-05 05:00)
| General Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Central/Western | 4.7 | 33.8 | 3.9 | 5.9 | 2 | 2 | |
| Eastern | 8.4 | 30.9 | 1.4 | 9.2 | 3.3 | 2 | |
| Kwun Tong | 11.7 | 24.1 | 4 | 6.7 | 4.5 | 2 | |
| Sham Shui Po | 31.3 | 17.7 | 2.8 | 13.7 | 3.6 | 2 | |
| Kwai Chung | 42.1 | 0.4 | 10.3 | 16.1 | 9 | 2 | |
| Tsuen Wan | 19 | 7.4 | 5.1 | 282.2 | 6.8 | 2.1 | 1 |
| Tseung Kwan O | 13.4 | 26 | 3.7 | 445 | 11.4 | 3.9 | 2 |
| Yuen Long | 10.7 | 15.3 | 3.9 | 316 | 10.2 | 7 | 1 |
| Tuen Mun | 17.3 | 25.7 | 1.1 | 341 | 8.1 | 7 | 2 |
| Tung Chung | 2.8 | 33.7 | 0.9 | 164.8 | 9.2 | 4.2 | 2 |
| Tai Po | 17.2 | 19.6 | 2.3 | 7 | 3.9 | 2 | |
| Sha Tin | 29.3 | 10.3 | 7.2 | 18.3 | 10.3 | 2 | |
| Tap Mun | 2.9 | 16.6 | 1.9 | 190.2 | 7.3 | 2.7 | 1 |
| Roadside Stations | |||||||
| Pollutant Concentrations(μg/m3) | |||||||
| Station Names | NO2 | O3 | SO2 | CO | PM10 | PM2.5 | AQHI |
|---|---|---|---|---|---|---|---|
| Causeway Bay | 18.4 | 22.9 | 2.7 | 383 | 0.9 | 0.6 | 2 |
| Central | 13.3 | 33.1 | 1.4 | 674.7 | 15 | 11.1 | 2 |
| Mong Kok | 34 | 11.7 | 1.2 | 437.9 | 6.1 | 2.4 | 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.
