Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-27 07:00 | 6.7 | 39.9 | 1.4 | - | 18.4 | 6.2 |
| 2024-04-27 06:00 | 11.4 | 32.6 | 1.3 | - | 19.1 | 7.4 |
| 2024-04-27 05:00 | 9.9 | 35.1 | 1.3 | - | 18.3 | 7.4 |
| 2024-04-27 04:00 | 10.1 | 35.1 | 1.4 | - | 18.3 | 7.0 |
| 2024-04-27 03:00 | 6.8 | 34.9 | 1.3 | - | 17.2 | 6.1 |
| 2024-04-27 02:00 | 8.3 | 31.3 | 1.2 | - | 17.1 | 6.1 |
| 2024-04-27 01:00 | 15.4 | 28.4 | 1.3 | - | 15.6 | 4.9 |
| 2024-04-27 00:00 | 20.8 | 24.5 | 1.3 | - | 17.5 | 6.4 |
| 2024-04-26 23:00 | 13.6 | 29.3 | 1.3 | - | 15.2 | 4.8 |
| 2024-04-26 22:00 | 18.4 | 24.7 | 1.3 | - | 15.4 | 5.1 |
| 2024-04-26 21:00 | 10.8 | 30.8 | 1.2 | - | 16.5 | 6.2 |
| 2024-04-26 20:00 | 11.8 | 31.8 | 1.3 | - | 15.9 | 6.3 |
| 2024-04-26 19:00 | 17.4 | 26.1 | 1.4 | - | 16.3 | 7.0 |
| 2024-04-26 18:00 | 12.1 | 33.0 | 1.3 | - | 16.8 | 6.1 |
| 2024-04-26 17:00 | 11.9 | 36.3 | 1.4 | - | 19.5 | 8.4 |
| 2024-04-26 16:00 | 12.1 | 37.4 | 1.4 | - | 16.4 | 6.7 |
| 2024-04-26 15:00 | 11.5 | 39.9 | 1.3 | - | 15.3 | 6.7 |
| 2024-04-26 14:00 | 19.8 | 32.0 | 1.4 | - | 21.1 | 12.2 |
| 2024-04-26 13:00 | 70.4 | 12.7 | 1.8 | - | 26.7 | 15.0 |
| 2024-04-26 12:00 | 45.8 | 55.0 | 1.5 | - | 11.8 | 5.0 |
| 2024-04-26 11:00 | 77.7 | 22.6 | 1.7 | - | 12.9 | 5.6 |
| 2024-04-26 10:00 | 34.7 | 27.9 | 1.4 | - | 12.6 | 5.6 |
| 2024-04-26 09:00 | 14.4 | 24.6 | 1.4 | - | 10.0 | 5.0 |
| 2024-04-26 08:00 | 24.7 | 15.9 | 1.4 | - | 15.1 | 10.0 |
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.