Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-08 13:00 | 73.9 | 77.6 | 3.2 | 576.3 | 30.8 | 23.4 |
| 2024-05-08 12:00 | 64.0 | 84.4 | 2.4 | 655.1 | 22.9 | 18.6 |
| 2024-05-08 11:00 | 30.6 | 106.5 | 1.6 | 671.8 | 21.7 | 17.6 |
| 2024-05-08 10:00 | 40.3 | 89.0 | 1.3 | 759.1 | 19.7 | 16.2 |
| 2024-05-08 09:00 | 37.6 | 90.1 | 1.5 | 762.3 | 20.3 | 17.2 |
| 2024-05-08 08:00 | 41.1 | 78.4 | 1.2 | 766.1 | 19.5 | 16.5 |
| 2024-05-08 07:00 | 25.7 | 101.8 | 1.4 | 692.7 | 19.0 | 15.7 |
| 2024-05-08 06:00 | 15.4 | 93.8 | 0.9 | 601.8 | 19.0 | 15.3 |
| 2024-05-08 05:00 | 9.4 | 98.1 | 0.9 | 568.6 | 16.5 | 13.2 |
| 2024-05-08 04:00 | 7.6 | 103.2 | 0.7 | 565.0 | 18.7 | 15.4 |
| 2024-05-08 03:00 | 9.9 | 104.8 | 0.7 | 593.6 | 19.3 | 17.0 |
| 2024-05-08 02:00 | 12.8 | 127.8 | 1.2 | 569.8 | 15.7 | 13.9 |
| 2024-05-08 01:00 | - | - | - | - | 18.0 | 16.3 |
| 2024-05-08 00:00 | 22.6 | 116.8 | 0.5 | 451.7 | 16.7 | 14.7 |
| 2024-05-07 23:00 | 23.5 | 113.5 | 0.6 | 454.0 | 16.7 | 14.6 |
| 2024-05-07 22:00 | 25.1 | 114.6 | 0.6 | 499.0 | 15.0 | 13.3 |
| 2024-05-07 21:00 | 30.9 | 112.2 | 0.9 | 519.8 | 14.8 | 11.7 |
| 2024-05-07 20:00 | 32.3 | 116.3 | 0.9 | 523.7 | 24.8 | 19.2 |
| 2024-05-07 19:00 | 38.5 | 117.6 | 1.1 | 503.3 | 25.6 | 18.6 |
| 2024-05-07 18:00 | 35.5 | 118.7 | 0.8 | 472.1 | 29.8 | 22.9 |
| 2024-05-07 17:00 | 35.3 | 130.8 | 1.2 | 466.2 | 31.8 | 23.5 |
| 2024-05-07 16:00 | 80.6 | 111.5 | 2.9 | 516.0 | 29.8 | 23.4 |
| 2024-05-07 15:00 | 46.4 | 135.5 | 2.0 | 534.1 | 44.2 | 34.0 |
| 2024-05-07 14:00 | 74.6 | 172.8 | 5.9 | 550.0 | 63.4 | 49.6 |
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.