Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-23 17:00 | 38.9 | 59.5 | 1.9 | 560.1 | 22.7 | 8.4 |
| 2024-04-23 16:00 | 23.6 | 76.2 | 1.6 | 525.2 | 16.0 | 7.2 |
| 2024-04-23 15:00 | 57.5 | 51.9 | 0.8 | 604.0 | 17.4 | 7.9 |
| 2024-04-23 14:00 | 51.0 | 59.7 | 0.2 | 606.5 | 22.5 | 10.8 |
| 2024-04-23 13:00 | 45.7 | 49.1 | 0.6 | 562.0 | 21.6 | 12.4 |
| 2024-04-23 12:00 | 34.8 | 36.5 | 0.9 | 498.0 | 15.6 | 11.8 |
| 2024-04-23 11:00 | 50.7 | 20.4 | 0.9 | 603.0 | 17.0 | 11.1 |
| 2024-04-23 10:00 | 37.3 | 30.3 | 0.7 | 603.5 | 27.8 | 13.3 |
| 2024-04-23 09:00 | 48.7 | 24.0 | 1.2 | 673.5 | 27.1 | 14.8 |
| 2024-04-23 08:00 | 36.0 | 27.1 | 1.7 | 663.7 | 17.0 | 6.6 |
| 2024-04-23 07:00 | 16.7 | 25.8 | 0.7 | 584.5 | 16.3 | 7.1 |
| 2024-04-23 06:00 | 18.9 | 18.3 | 0.2 | 565.8 | 14.3 | 10.9 |
| 2024-04-23 05:00 | 8.0 | 39.1 | 0.0 | 526.3 | 16.4 | 13.9 |
| 2024-04-23 04:00 | 7.5 | 43.0 | 0.3 | 507.2 | 20.7 | 15.6 |
| 2024-04-23 03:00 | 7.3 | 53.8 | 0.1 | 522.7 | 19.1 | 12.3 |
| 2024-04-23 02:00 | 17.0 | 36.8 | 0.5 | 506.0 | 21.4 | 8.9 |
| 2024-04-23 01:00 | 20.4 | 40.4 | 0.3 | 516.0 | 25.0 | 6.9 |
| 2024-04-23 00:00 | 32.3 | 38.2 | 0.4 | 549.8 | 24.6 | 9.8 |
| 2024-04-22 23:00 | 47.8 | 12.5 | 1.0 | 572.9 | 22.4 | 12.4 |
| 2024-04-22 22:00 | 22.1 | 22.7 | 0.5 | 574.4 | 21.5 | 10.1 |
| 2024-04-22 21:00 | 27.4 | 26.3 | 0.6 | 617.4 | 19.3 | 7.6 |
| 2024-04-22 20:00 | 25.5 | 39.5 | 0.9 | 530.2 | 17.6 | 7.9 |
| 2024-04-22 19:00 | 21.8 | 56.7 | 0.5 | 469.6 | 18.3 | 9.0 |
| 2024-04-22 18:00 | 38.5 | 35.9 | 0.9 | 584.3 | 20.2 | 10.7 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
