Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-26 05:00 | 10.1 | 44.9 | 0.1 | 437.3 | 18.9 | 6.3 |
| 2024-04-26 04:00 | 6.9 | 50.8 | 0.5 | 427.9 | 17.3 | 5.8 |
| 2024-04-26 03:00 | 6.5 | 51.2 | 0.3 | 430.0 | 18.7 | 6.9 |
| 2024-04-26 02:00 | 6.9 | 52.2 | 0.2 | 434.4 | 20.8 | 6.3 |
| 2024-04-26 01:00 | 10.5 | 32.1 | 0.3 | 450.1 | 21.3 | 6.6 |
| 2024-04-26 00:00 | 10.5 | 21.2 | 0.1 | 435.9 | 15.7 | 6.1 |
| 2024-04-25 23:00 | 14.8 | 14.7 | 0.2 | 463.8 | 15.4 | 9.8 |
| 2024-04-25 22:00 | 24.6 | 17.5 | 1.2 | 487.4 | 21.8 | 5.6 |
| 2024-04-25 21:00 | 29.3 | 10.1 | 1.3 | 545.1 | 24.0 | 3.6 |
| 2024-04-25 20:00 | 36.5 | 8.4 | 1.1 | 671.4 | 20.2 | 8.0 |
| 2024-04-25 19:00 | 31.1 | 24.4 | 0.2 | 447.8 | 16.5 | 6.2 |
| 2024-04-25 18:00 | 28.5 | 32.7 | 0.0 | 433.1 | 18.8 | 5.5 |
| 2024-04-25 17:00 | 33.0 | 38.3 | 0.5 | 432.8 | 21.4 | 9.1 |
| 2024-04-25 16:00 | 33.1 | 54.8 | 0.1 | 456.7 | 21.1 | 16.0 |
| 2024-04-25 15:00 | 33.1 | 67.1 | 0.2 | 474.7 | 18.7 | 14.8 |
| 2024-04-25 14:00 | 29.8 | 57.7 | 0.1 | 483.1 | 15.2 | 8.2 |
| 2024-04-25 13:00 | 19.7 | 36.9 | 1.2 | 458.1 | 13.6 | 3.6 |
| 2024-04-25 12:00 | 19.4 | 35.5 | 1.2 | 440.9 | 16.3 | - |
| 2024-04-25 11:00 | 23.7 | 34.2 | 1.9 | 456.6 | 22.4 | 3.3 |
| 2024-04-25 10:00 | 22.5 | 45.7 | 1.3 | 485.9 | 25.3 | 10.7 |
| 2024-04-25 09:00 | 19.8 | 57.1 | 1.1 | 493.6 | 23.5 | 10.7 |
| 2024-04-25 08:00 | 22.8 | 56.7 | 0.7 | 501.6 | 22.2 | 7.2 |
| 2024-04-25 07:00 | 18.1 | 66.8 | 0.7 | 491.5 | 26.1 | 5.7 |
| 2024-04-25 06:00 | 17.0 | 70.4 | 0.9 | 490.1 | 27.6 | 4.9 |
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.