Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-18 14:00 | 29.3 | 68.2 | 2.6 | 536.9 | 26.5 | 12.0 |
| 2024-04-18 13:00 | 29.1 | 48.2 | 1.6 | 525.7 | 25.6 | 13.0 |
| 2024-04-18 12:00 | 30.2 | 42.0 | 1.7 | 536.7 | 20.8 | 14.4 |
| 2024-04-18 11:00 | 24.5 | 46.2 | 2.5 | 509.6 | 18.9 | 13.5 |
| 2024-04-18 10:00 | 29.9 | 38.6 | 2.7 | 521.9 | 19.4 | 10.9 |
| 2024-04-18 09:00 | 31.1 | 33.8 | 2.8 | 500.9 | 21.5 | 9.6 |
| 2024-04-18 08:00 | 32.8 | 26.5 | 2.9 | 502.5 | 22.0 | 11.0 |
| 2024-04-18 07:00 | 24.5 | 30.7 | 1.5 | 478.6 | 21.9 | 11.9 |
| 2024-04-18 06:00 | 15.2 | 39.3 | 1.6 | 471.0 | 18.1 | 11.3 |
| 2024-04-18 05:00 | 16.7 | 36.9 | 1.8 | 468.7 | 17.0 | 8.9 |
| 2024-04-18 04:00 | 11.9 | 39.6 | 1.7 | 465.4 | 18.0 | 6.5 |
| 2024-04-18 03:00 | 12.9 | 41.7 | 1.1 | 459.8 | 21.6 | 11.2 |
| 2024-04-18 02:00 | 19.4 | 35.7 | 1.4 | 461.1 | 20.8 | 14.9 |
| 2024-04-18 01:00 | 26.6 | 29.8 | 1.9 | 472.9 | 16.9 | 10.8 |
| 2024-04-18 00:00 | 39.4 | 19.7 | 2.0 | 494.8 | 15.2 | 8.5 |
| 2024-04-17 23:00 | 33.6 | 25.2 | 1.6 | 487.4 | 14.8 | 7.9 |
| 2024-04-17 22:00 | 22.0 | 36.6 | 1.7 | 475.3 | 21.8 | 11.9 |
| 2024-04-17 21:00 | 23.2 | 37.5 | 2.2 | 466.2 | 20.1 | 16.5 |
| 2024-04-17 20:00 | 27.4 | 37.3 | 2.1 | 467.8 | 16.9 | 7.7 |
| 2024-04-17 19:00 | 17.7 | 53.8 | 1.7 | 473.9 | 21.0 | 4.5 |
| 2024-04-17 18:00 | 20.8 | 56.0 | 1.5 | 473.1 | 25.0 | 10.6 |
| 2024-04-17 17:00 | 23.2 | 51.7 | 1.3 | 475.1 | 22.5 | 11.6 |
| 2024-04-17 16:00 | 19.8 | 53.3 | 1.6 | 462.4 | 18.4 | 11.6 |
| 2024-04-17 15:00 | 20.5 | 50.4 | 1.6 | 468.9 | 21.9 | 10.5 |
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.
