Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-03 06:00 | 9.5 | 39.0 | 3.2 | 124.5 | 19.1 | 8.7 |
| 2022-10-03 05:00 | - | 45.6 | 3.0 | 109.3 | 13.2 | 9.3 |
| 2022-10-03 04:00 | 5.9 | 47.3 | 3.3 | 129.8 | 12.6 | 7.1 |
| 2022-10-03 03:00 | 10.0 | 40.7 | 3.1 | 95.5 | 18.2 | 4.7 |
| 2022-10-03 02:00 | 8.0 | 43.4 | 3.0 | 111.4 | 15.0 | 5.6 |
| 2022-10-03 01:00 | 9.5 | 34.5 | 3.0 | 110.9 | 16.4 | 6.5 |
| 2022-10-03 00:00 | 11.9 | 30.1 | 2.8 | 126.3 | 20.4 | 4.4 |
| 2022-10-02 23:00 | 13.9 | 30.1 | 2.9 | 137.4 | 23.6 | 4.5 |
| 2022-10-02 22:00 | 10.0 | 38.4 | 2.9 | 132.1 | 23.0 | 6.6 |
| 2022-10-02 21:00 | 13.2 | 43.2 | 2.7 | 150.9 | 17.2 | 6.3 |
| 2022-10-02 20:00 | 15.3 | 40.3 | 2.6 | 142.3 | 9.3 | 6.6 |
| 2022-10-02 19:00 | 12.7 | 45.0 | 2.5 | 126.1 | 9.8 | 8.1 |
| 2022-10-02 18:00 | 10.6 | 36.5 | 1.9 | 107.5 | 15.8 | 9.0 |
| 2022-10-02 17:00 | 9.3 | 42.3 | 1.3 | 114.6 | 15.4 | 5.6 |
| 2022-10-02 16:00 | 11.7 | 47.6 | 0.9 | 141.0 | 15.4 | 1.7 |
| 2022-10-02 15:00 | - | 48.5 | - | - | 17.9 | 6.4 |
| 2022-10-02 14:00 | 7.8 | 48.0 | - | 132.0 | 18.4 | 9.0 |
| 2022-10-02 13:00 | 6.0 | 47.3 | - | 99.2 | 15.6 | 5.4 |
| 2022-10-02 12:00 | 6.7 | 50.7 | - | 103.4 | 17.7 | 8.2 |
| 2022-10-02 11:00 | 9.5 | 48.5 | - | 115.4 | 22.9 | 10.7 |
| 2022-10-02 10:00 | 10.7 | 47.3 | - | 118.1 | 19.5 | 9.8 |
| 2022-10-02 09:00 | 12.7 | 44.7 | - | 116.6 | 16.4 | 11.4 |
| 2022-10-02 08:00 | 11.8 | 45.3 | - | 112.5 | 18.0 | 6.9 |
| 2022-10-02 07:00 | 13.1 | 47.3 | - | 106.8 | 20.2 | 3.2 |
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 is based on real time data taken directly from EPD's Air Quality Monitoring Network.
