Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-08 15:00 | 67.1 | 85.2 | 3.7 | - | 30.9 | 22.0 |
| 2024-05-08 14:00 | 38.7 | 98.1 | 3.3 | - | 25.8 | 20.2 |
| 2024-05-08 13:00 | 31.8 | 102.0 | 3.5 | - | 29.4 | 22.6 |
| 2024-05-08 12:00 | 40.9 | 90.2 | 3.2 | - | 29.5 | 21.8 |
| 2024-05-08 11:00 | 42.4 | 81.3 | 3.3 | - | 27.3 | 20.4 |
| 2024-05-08 10:00 | 43.5 | 70.8 | 3.0 | - | 25.5 | 19.0 |
| 2024-05-08 09:00 | 38.7 | 70.6 | 3.1 | - | 27.0 | 20.8 |
| 2024-05-08 08:00 | 34.6 | 66.1 | 3.1 | - | 25.1 | 19.8 |
| 2024-05-08 07:00 | 16.2 | 83.7 | 2.8 | - | 24.2 | 18.8 |
| 2024-05-08 06:00 | 11.1 | 91.3 | 2.8 | - | 23.2 | 17.6 |
| 2024-05-08 05:00 | 12.3 | 89.6 | 2.6 | - | 23.0 | 17.0 |
| 2024-05-08 04:00 | 10.6 | 93.7 | 2.7 | - | 20.0 | 14.7 |
| 2024-05-08 03:00 | 11.0 | 97.5 | 2.7 | - | 20.1 | 15.5 |
| 2024-05-08 02:00 | 11.5 | 102.4 | 2.7 | - | 18.7 | 14.5 |
| 2024-05-08 01:00 | - | 100.4 | - | - | 17.8 | 14.1 |
| 2024-05-08 00:00 | 17.7 | 101.3 | 2.2 | - | 14.6 | 11.4 |
| 2024-05-07 23:00 | 19.4 | 102.7 | 2.2 | - | 13.7 | 11.2 |
| 2024-05-07 22:00 | 25.1 | 96.7 | 2.2 | - | 12.6 | 9.3 |
| 2024-05-07 21:00 | 33.8 | 89.3 | 2.3 | - | 11.9 | 7.7 |
| 2024-05-07 20:00 | 27.8 | 94.9 | 2.2 | - | 17.8 | 11.3 |
| 2024-05-07 19:00 | 25.4 | 106.2 | 2.2 | - | 31.3 | 18.5 |
| 2024-05-07 18:00 | 41.1 | 92.1 | 2.1 | - | 46.5 | 27.2 |
| 2024-05-07 17:00 | 47.3 | 86.5 | 2.2 | - | 47.8 | 27.6 |
| 2024-05-07 16:00 | 55.2 | 95.6 | 2.7 | - | 42.4 | 27.7 |
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.