Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-15 21:00 | 50.6 | 13.1 | 4.9 | 732.9 | 17.3 | 8.3 |
| 2021-06-15 20:00 | 48.4 | 15.5 | 4.2 | 733.4 | 14.5 | 6.3 |
| 2021-06-15 19:00 | 36.0 | 26.6 | 3.8 | 698.8 | 15.4 | 8.3 |
| 2021-06-15 18:00 | 37.8 | 30.0 | 4.0 | 683.8 | 16.1 | 8.6 |
| 2021-06-15 17:00 | 35.7 | 38.9 | 4.0 | 669.3 | 16.7 | 9.4 |
| 2021-06-15 16:00 | 31.0 | 42.4 | 4.1 | 665.1 | 15.5 | 8.5 |
| 2021-06-15 15:00 | 45.6 | 32.9 | 4.7 | 707.0 | 11.6 | 7.8 |
| 2021-06-15 14:00 | 31.6 | 40.1 | 4.1 | 678.2 | 10.7 | 7.0 |
| 2021-06-15 13:00 | 41.1 | 28.9 | 5.5 | 683.1 | 16.7 | 7.8 |
| 2021-06-15 12:00 | 55.8 | 15.8 | 7.4 | 724.1 | 16.8 | 7.7 |
| 2021-06-15 11:00 | 42.8 | 28.5 | 5.8 | 698.6 | 16.8 | 8.9 |
| 2021-06-15 10:00 | 44.0 | 19.8 | 7.1 | 714.4 | 13.7 | 5.9 |
| 2021-06-15 09:00 | 50.0 | 13.6 | 5.9 | 767.9 | 13.5 | 7.8 |
| 2021-06-15 08:00 | 55.5 | 6.8 | 7.0 | 787.6 | 14.6 | 7.2 |
| 2021-06-15 07:00 | 34.3 | 11.2 | 3.5 | 724.7 | 10.3 | 3.3 |
| 2021-06-15 06:00 | 16.1 | 34.8 | 3.5 | 614.3 | 10.2 | 6.2 |
| 2021-06-15 05:00 | 44.7 | 11.2 | 9.0 | 599.7 | 14.9 | 8.9 |
| 2021-06-15 04:00 | 44.4 | 11.6 | 9.3 | 594.5 | 13.7 | 7.7 |
| 2021-06-15 03:00 | 55.1 | 3.2 | 10.2 | 604.7 | 13.9 | 8.5 |
| 2021-06-15 02:00 | 43.2 | 12.6 | 8.0 | 620.9 | 13.8 | 8.0 |
| 2021-06-15 01:00 | - | - | - | - | 11.5 | 5.9 |
| 2021-06-15 00:00 | 49.3 | 9.9 | 8.0 | 641.7 | 10.9 | 6.1 |
| 2021-06-14 23:00 | 48.0 | 10.2 | 5.8 | 696.5 | 12.2 | 6.4 |
| 2021-06-14 22:00 | 57.9 | 4.2 | 10.6 | 722.1 | 16.0 | 9.4 |
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.
