Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 12:00 | 40.0 | 55.3 | 6.9 | 247.5 | 20.2 | 13.7 |
| 2024-04-20 11:00 | 45.3 | 48.0 | 6.9 | 247.1 | 18.7 | 13.5 |
| 2024-04-20 10:00 | 42.0 | 47.3 | 7.0 | 244.0 | 20.3 | 15.3 |
| 2024-04-20 09:00 | 47.5 | 40.0 | 7.2 | 267.0 | 18.8 | 14.0 |
| 2024-04-20 08:00 | 53.6 | 34.0 | 8.0 | 270.3 | 16.3 | 11.9 |
| 2024-04-20 07:00 | 41.1 | 39.8 | 6.6 | 297.3 | 16.6 | 12.9 |
| 2024-04-20 06:00 | 34.3 | 46.8 | 6.4 | 265.3 | 16.2 | 12.8 |
| 2024-04-20 05:00 | 24.0 | 55.9 | 6.3 | 251.4 | 16.0 | 12.5 |
| 2024-04-20 04:00 | 33.3 | 48.0 | 7.5 | 243.1 | 14.2 | 10.2 |
| 2024-04-20 03:00 | 31.0 | 49.3 | 7.0 | 248.6 | 16.6 | 12.6 |
| 2024-04-20 02:00 | 34.8 | 49.2 | 6.9 | 279.5 | 14.4 | 9.9 |
| 2024-04-20 01:00 | - | - | - | - | 17.0 | 12.8 |
| 2024-04-20 00:00 | 47.3 | 34.5 | 6.9 | 325.6 | 17.6 | 13.7 |
| 2024-04-19 23:00 | 50.8 | 33.3 | 7.0 | 338.4 | 16.5 | 12.9 |
| 2024-04-19 22:00 | 53.0 | 31.4 | 7.9 | 342.0 | 17.5 | 12.7 |
| 2024-04-19 21:00 | 59.1 | 29.6 | 8.5 | 365.7 | 20.2 | 14.9 |
| 2024-04-19 20:00 | 62.0 | 28.5 | 8.2 | 397.6 | 16.8 | 11.7 |
| 2024-04-19 19:00 | 62.4 | 30.0 | 8.1 | 409.9 | 17.6 | 12.4 |
| 2024-04-19 18:00 | 52.9 | 43.0 | 7.3 | 345.7 | 16.4 | 10.4 |
| 2024-04-19 17:00 | 54.8 | 40.1 | 7.5 | 327.7 | 18.9 | 13.2 |
| 2024-04-19 16:00 | 54.7 | 39.4 | 8.4 | 281.0 | 16.9 | 11.3 |
| 2024-04-19 15:00 | 51.2 | 43.1 | 7.6 | 275.7 | 19.2 | 14.0 |
| 2024-04-19 14:00 | 47.9 | 42.3 | 7.5 | 285.3 | 18.5 | 13.8 |
| 2024-04-19 13:00 | 43.9 | 46.3 | 7.5 | 280.7 | 18.9 | 13.4 |
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.
