Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-25 07:00 | 33.4 | 74.4 | 5.6 | 412.9 | 7.6 | 5.5 |
| 2024-04-25 06:00 | 17.4 | 100.1 | 5.5 | 378.0 | 7.9 | 6.1 |
| 2024-04-25 05:00 | 11.6 | 97.4 | 5.6 | 357.2 | 16.6 | 10.7 |
| 2024-04-25 04:00 | 11.7 | 93.2 | 5.5 | 354.6 | 12.6 | 7.8 |
| 2024-04-25 03:00 | 12.6 | 97.1 | 5.4 | 318.7 | 5.7 | 3.0 |
| 2024-04-25 02:00 | 13.0 | 99.5 | 5.6 | 317.7 | 16.1 | 10.2 |
| 2024-04-25 01:00 | 21.6 | 85.8 | 5.7 | 356.1 | 23.2 | 16.4 |
| 2024-04-25 00:00 | 29.4 | 75.4 | 5.8 | 432.3 | 26.2 | 20.7 |
| 2024-04-24 23:00 | 32.8 | 84.6 | 6.2 | 494.2 | 25.5 | 20.6 |
| 2024-04-24 22:00 | 36.3 | 87.2 | 6.2 | 524.1 | 26.8 | 20.7 |
| 2024-04-24 21:00 | 44.4 | 74.8 | 6.2 | 580.0 | 28.7 | 21.0 |
| 2024-04-24 20:00 | 63.6 | 51.8 | 7.1 | 616.9 | 36.9 | 27.8 |
| 2024-04-24 19:00 | 101.9 | 22.7 | 13.0 | 689.1 | 37.4 | 28.6 |
| 2024-04-24 18:00 | 104.2 | 22.9 | 13.7 | 654.1 | 33.7 | 25.9 |
| 2024-04-24 17:00 | 95.1 | 25.0 | 11.7 | 545.5 | 27.9 | 21.5 |
| 2024-04-24 16:00 | 87.9 | 30.0 | 11.1 | 445.0 | 29.9 | 23.2 |
| 2024-04-24 15:00 | 82.7 | 34.0 | 12.7 | 442.1 | 33.0 | 25.9 |
| 2024-04-24 14:00 | 89.9 | 26.0 | 21.4 | 524.6 | 36.5 | 28.5 |
| 2024-04-24 13:00 | 96.7 | 25.0 | 18.8 | 626.5 | 33.4 | 25.6 |
| 2024-04-24 12:00 | 82.1 | 28.5 | 11.5 | 569.7 | 25.8 | 19.4 |
| 2024-04-24 11:00 | 75.8 | 27.9 | 9.5 | 464.5 | 27.0 | 20.5 |
| 2024-04-24 10:00 | 70.2 | 28.9 | 8.7 | 465.2 | 29.6 | 23.1 |
| 2024-04-24 09:00 | 68.3 | 25.1 | 9.1 | 574.6 | 27.7 | 22.0 |
| 2024-04-24 08:00 | 51.8 | 29.1 | 6.8 | 541.7 | 22.6 | 17.6 |
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.