Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-29 03:00 | 10.6 | 41.7 | 0.0 | 403.9 | 17.9 | 5.4 |
| 2024-04-29 02:00 | 11.6 | 47.3 | 0.0 | 389.1 | 18.1 | 3.5 |
| 2024-04-29 01:00 | 10.9 | 54.8 | 0.0 | 401.2 | 16.8 | 3.1 |
| 2024-04-29 00:00 | 17.9 | 53.2 | 0.0 | 426.4 | 14.8 | 9.4 |
| 2024-04-28 23:00 | 15.6 | 58.8 | 0.0 | 428.4 | 13.0 | 8.1 |
| 2024-04-28 22:00 | 11.7 | 60.2 | 0.0 | 439.9 | 13.9 | 3.0 |
| 2024-04-28 21:00 | 18.6 | 60.0 | 0.0 | 428.2 | 17.7 | 4.4 |
| 2024-04-28 20:00 | 16.3 | 72.3 | 0.0 | 418.2 | 15.0 | 5.6 |
| 2024-04-28 19:00 | 18.0 | 77.5 | 0.0 | 481.2 | 12.7 | 5.1 |
| 2024-04-28 18:00 | 15.5 | 87.2 | 0.0 | 474.6 | 10.8 | 1.8 |
| 2024-04-28 17:00 | 15.7 | 84.4 | 0.0 | 452.8 | 9.0 | 4.1 |
| 2024-04-28 16:00 | 13.7 | 84.5 | 0.0 | 441.1 | 8.3 | 7.8 |
| 2024-04-28 15:00 | 17.9 | 80.6 | 0.0 | 494.2 | 9.1 | - |
| 2024-04-28 14:00 | 20.7 | 88.1 | 0.0 | 486.9 | 12.0 | 10.8 |
| 2024-04-28 13:00 | 16.8 | 96.9 | 0.1 | 509.6 | 18.8 | 7.9 |
| 2024-04-28 12:00 | 16.7 | 97.8 | 0.1 | 515.2 | 22.0 | 5.2 |
| 2024-04-28 11:00 | 16.9 | 92.0 | 0.0 | 520.7 | 14.8 | 3.3 |
| 2024-04-28 10:00 | 15.6 | 94.7 | 0.0 | 518.8 | 4.8 | 0.5 |
| 2024-04-28 09:00 | 9.6 | 101.8 | 0.2 | 495.1 | 5.3 | 2.6 |
| 2024-04-28 08:00 | 8.2 | 103.5 | 0.2 | 491.3 | 16.2 | 6.0 |
| 2024-04-28 07:00 | 13.1 | 74.9 | 0.2 | 477.8 | 24.9 | 9.3 |
| 2024-04-28 06:00 | 14.3 | 34.0 | 1.0 | 388.2 | 21.6 | 7.6 |
| 2024-04-28 05:00 | 19.0 | 22.0 | 1.2 | 371.6 | 19.9 | 7.1 |
| 2024-04-28 04:00 | 14.4 | 26.9 | 1.1 | 367.5 | 21.3 | 5.4 |
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.
