Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-24 14:00 | 86.7 | 8.0 | 5.0 | - | 32.9 | 23.7 |
| 2024-04-24 13:00 | 78.4 | 12.2 | 4.4 | - | 28.0 | 21.0 |
| 2024-04-24 12:00 | 75.0 | 14.3 | - | - | 31.2 | 22.5 |
| 2024-04-24 11:00 | 70.9 | 13.5 | 8.0 | - | 26.0 | 19.9 |
| 2024-04-24 10:00 | 60.7 | 25.8 | 6.1 | - | 18.7 | 13.9 |
| 2024-04-24 09:00 | 49.7 | 40.4 | 5.8 | - | 17.4 | 13.7 |
| 2024-04-24 08:00 | 51.1 | 40.3 | 6.2 | - | 16.0 | 12.6 |
| 2024-04-24 07:00 | 44.3 | 46.1 | 6.6 | - | 11.0 | 7.4 |
| 2024-04-24 06:00 | 32.2 | 33.6 | 6.0 | - | 8.5 | 5.5 |
| 2024-04-24 05:00 | 30.6 | 38.9 | 5.6 | - | 11.5 | 6.9 |
| 2024-04-24 04:00 | 30.7 | 43.7 | 5.5 | - | 9.8 | 6.7 |
| 2024-04-24 03:00 | 13.2 | 62.1 | 5.2 | - | 7.5 | 5.1 |
| 2024-04-24 02:00 | 22.8 | 58.6 | 6.4 | - | 10.3 | 7.0 |
| 2024-04-24 01:00 | - | 42.6 | - | - | 9.2 | 7.1 |
| 2024-04-24 00:00 | 47.9 | 42.7 | 8.8 | - | 9.4 | 7.5 |
| 2024-04-23 23:00 | 23.3 | 70.1 | 6.4 | - | 13.1 | 9.0 |
| 2024-04-23 22:00 | 56.5 | 30.8 | 6.9 | - | 16.3 | 9.5 |
| 2024-04-23 21:00 | 101.8 | 1.8 | 8.2 | - | 18.0 | 9.7 |
| 2024-04-23 20:00 | 97.0 | 6.2 | - | - | 18.7 | 10.3 |
| 2024-04-23 19:00 | 96.4 | 11.5 | - | - | 19.8 | 9.9 |
| 2024-04-23 18:00 | 84.9 | 20.3 | - | - | 22.1 | 12.1 |
| 2024-04-23 17:00 | 73.2 | 31.8 | - | - | 22.1 | 12.8 |
| 2024-04-23 16:00 | 62.9 | 42.5 | - | - | 10.1 | 6.2 |
| 2024-04-23 15:00 | 22.5 | 77.9 | 2.3 | - | 4.5 | 3.0 |
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.