Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 04:00 | 26.0 | 16.1 | 2.3 | 246.1 | 23.6 | 14.7 |
| 2024-04-28 03:00 | - | 12.8 | - | - | 26.5 | 14.9 |
| 2024-04-28 02:00 | 39.1 | 6.3 | 2.7 | 328.0 | 22.5 | 10.7 |
| 2024-04-28 01:00 | 35.1 | 8.3 | 3.0 | 349.3 | 21.9 | 10.0 |
| 2024-04-28 00:00 | 32.5 | 10.2 | 2.4 | 302.5 | 24.9 | 12.9 |
| 2024-04-27 23:00 | 35.1 | 11.7 | 2.6 | 382.0 | 26.7 | 13.7 |
| 2024-04-27 22:00 | 43.6 | 5.6 | 2.7 | 480.7 | 33.8 | 18.6 |
| 2024-04-27 21:00 | 39.9 | 7.1 | 3.2 | 521.2 | 32.3 | 17.8 |
| 2024-04-27 20:00 | 44.4 | 5.9 | 3.5 | 504.8 | 25.6 | 13.2 |
| 2024-04-27 19:00 | 47.6 | 5.2 | 4.0 | 444.1 | - | - |
| 2024-04-27 18:00 | 52.9 | 4.0 | 4.6 | 517.3 | - | - |
| 2024-04-27 17:00 | 50.4 | 5.4 | 3.7 | 418.8 | - | - |
| 2024-04-27 16:00 | 48.2 | 6.5 | 3.5 | 376.8 | - | - |
| 2024-04-27 15:00 | 40.6 | 12.7 | 2.8 | 381.0 | - | - |
| 2024-04-27 14:00 | 35.2 | 17.9 | 2.4 | 316.0 | - | - |
| 2024-04-27 13:00 | 44.1 | 11.8 | 3.4 | 547.2 | - | - |
| 2024-04-27 12:00 | 46.4 | 9.7 | 3.8 | 341.7 | - | - |
| 2024-04-27 11:00 | 49.3 | 4.9 | 3.5 | 435.7 | - | - |
| 2024-04-27 10:00 | 52.1 | 2.9 | 3.8 | 396.9 | - | - |
| 2024-04-27 09:00 | 57.9 | 3.0 | 3.9 | 350.9 | - | - |
| 2024-04-27 08:00 | 45.0 | 7.9 | 2.7 | 340.9 | - | - |
| 2024-04-27 07:00 | 34.5 | 15.0 | 2.4 | 259.4 | 20.8 | 9.1 |
| 2024-04-27 06:00 | 30.4 | 15.1 | 2.0 | 286.8 | 20.4 | 9.3 |
| 2024-04-27 05:00 | 27.7 | 15.2 | 2.1 | 241.0 | 20.1 | 10.9 |
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.
