Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-12-04 10:00 | 41.0 | 39.5 | 5.5 | 641.5 | 56.1 | 38.1 |
| 2023-12-04 09:00 | 46.1 | 22.2 | 5.4 | 650.5 | 65.1 | 39.1 |
| 2023-12-04 08:00 | 42.0 | 23.2 | 5.6 | 629.7 | 67.9 | 37.5 |
| 2023-12-04 07:00 | 34.2 | 32.4 | 5.3 | 570.6 | 58.5 | 33.5 |
| 2023-12-04 06:00 | 26.7 | 43.9 | 5.0 | 542.3 | 46.7 | 28.9 |
| 2023-12-04 05:00 | 15.0 | 77.6 | 5.0 | 475.9 | 33.3 | 22.6 |
| 2023-12-04 04:00 | 14.1 | 82.9 | 4.8 | 439.0 | 32.9 | 22.6 |
| 2023-12-04 03:00 | 14.4 | 87.8 | 5.0 | 465.3 | 36.3 | 23.2 |
| 2023-12-04 02:00 | 17.8 | 90.1 | 5.9 | 470.8 | 37.2 | 26.7 |
| 2023-12-04 01:00 | - | - | - | - | 44.3 | 32.1 |
| 2023-12-04 00:00 | 35.9 | 80.8 | 6.6 | 638.2 | 45.9 | 32.4 |
| 2023-12-03 23:00 | 32.0 | 84.6 | 7.2 | 669.9 | 45.4 | 32.1 |
| 2023-12-03 22:00 | 38.0 | 81.9 | 6.8 | 705.4 | 49.4 | 35.4 |
| 2023-12-03 21:00 | 51.4 | 67.3 | 6.6 | 763.8 | 49.0 | 35.4 |
| 2023-12-03 20:00 | 44.7 | 80.7 | 6.4 | 746.2 | 45.7 | 33.0 |
| 2023-12-03 19:00 | 57.3 | 75.5 | 6.7 | 697.6 | 43.4 | 30.2 |
| 2023-12-03 18:00 | 87.5 | 53.9 | 8.9 | 633.6 | 44.8 | 29.7 |
| 2023-12-03 17:00 | 85.9 | 55.4 | 8.7 | 622.6 | 38.5 | 26.8 |
| 2023-12-03 16:00 | 88.8 | 43.8 | 9.2 | 654.7 | 35.2 | 25.8 |
| 2023-12-03 15:00 | 61.8 | 66.4 | 7.6 | 618.5 | 32.5 | 24.4 |
| 2023-12-03 14:00 | 55.3 | 60.3 | 6.9 | 613.7 | 29.0 | 21.5 |
| 2023-12-03 13:00 | 51.8 | 49.5 | 6.6 | 654.8 | 32.8 | 23.8 |
| 2023-12-03 12:00 | 32.0 | 60.2 | 5.9 | 621.4 | 35.1 | 24.8 |
| 2023-12-03 11:00 | 29.4 | 56.2 | 5.4 | 587.0 | 40.3 | 28.0 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
