Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-27 07:00 | 50.2 | 35.9 | 4.6 | 963.2 | 22.2 | 19.1 |
| 2022-01-27 06:00 | 27.6 | 59.1 | 4.4 | 863.8 | 18.7 | 15.5 |
| 2022-01-27 05:00 | 11.7 | 80.8 | 4.4 | 836.4 | 21.4 | 17.4 |
| 2022-01-27 04:00 | 12.2 | 80.7 | 4.4 | 819.0 | 22.9 | 18.5 |
| 2022-01-27 03:00 | 15.4 | 77.7 | 4.8 | 826.9 | 23.2 | 18.4 |
| 2022-01-27 02:00 | - | - | - | - | 25.5 | 19.1 |
| 2022-01-27 01:00 | - | - | - | - | 29.8 | 21.7 |
| 2022-01-27 00:00 | 32.5 | 73.5 | 4.4 | 922.9 | 35.7 | 26.0 |
| 2022-01-26 23:00 | 35.2 | 68.2 | 4.6 | 952.4 | 39.7 | 29.4 |
| 2022-01-26 22:00 | 94.7 | 12.7 | 7.8 | 1,131.7 | 47.2 | 34.2 |
| 2022-01-26 21:00 | 118.8 | 1.5 | 10.5 | 1,141.8 | 44.2 | 29.7 |
| 2022-01-26 20:00 | 115.9 | 1.3 | 10.2 | 1,005.5 | 43.5 | 30.5 |
| 2022-01-26 19:00 | 117.8 | 1.4 | 11.5 | 973.0 | 42.2 | 27.7 |
| 2022-01-26 18:00 | 109.2 | 10.2 | 10.0 | 993.7 | 26.2 | 19.4 |
| 2022-01-26 17:00 | 47.0 | 51.6 | 4.6 | 864.2 | 22.7 | 16.9 |
| 2022-01-26 16:00 | 82.1 | 27.5 | 7.1 | 950.0 | 31.7 | 21.4 |
| 2022-01-26 15:00 | 58.4 | 42.2 | 5.8 | 919.8 | 27.7 | 20.3 |
| 2022-01-26 14:00 | 41.3 | 54.9 | 4.5 | 932.4 | 29.0 | 22.0 |
| 2022-01-26 13:00 | 33.3 | 54.7 | 4.4 | 919.1 | 29.9 | 21.7 |
| 2022-01-26 12:00 | 39.0 | 46.8 | 4.3 | 934.9 | 26.8 | 19.7 |
| 2022-01-26 11:00 | 29.7 | 49.1 | 4.3 | 918.9 | 29.5 | 23.2 |
| 2022-01-26 10:00 | 39.8 | 36.5 | 4.5 | 1,004.6 | 27.5 | 22.5 |
| 2022-01-26 09:00 | 46.9 | 28.1 | 4.3 | 1,035.2 | 25.6 | 19.0 |
| 2022-01-26 08:00 | 35.8 | 35.9 | 4.3 | 1,007.1 | 25.4 | 15.6 |
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.
