Past 24 Hours Pollutant Concentration Summary
Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-03 07:00 | 25.5 | 15.1 | 8.5 | 411.6 | 12.6 | 9.9 |
| 2022-10-03 06:00 | 13.4 | 28.3 | 8.3 | 336.0 | 11.0 | 7.9 |
| 2022-10-03 05:00 | 10.5 | 33.5 | 8.4 | 325.5 | 7.6 | 4.6 |
| 2022-10-03 04:00 | 7.7 | 33.1 | 8.5 | 286.8 | 7.9 | 3.9 |
| 2022-10-03 03:00 | 8.8 | 32.4 | 8.9 | 291.9 | 10.5 | 6.7 |
| 2022-10-03 02:00 | 8.9 | 31.5 | 7.9 | 283.1 | 8.5 | 5.5 |
| 2022-10-03 01:00 | 15.7 | 22.8 | 7.9 | 311.0 | 6.0 | 3.7 |
| 2022-10-03 00:00 | 21.8 | 16.1 | 8.2 | 349.5 | 9.2 | 6.4 |
| 2022-10-02 23:00 | 22.4 | 18.6 | 8.3 | 380.8 | 11.8 | 8.5 |
| 2022-10-02 22:00 | 25.6 | 22.9 | 8.4 | 427.9 | 13.5 | 9.8 |
| 2022-10-02 21:00 | 22.2 | 25.4 | 8.2 | 418.1 | 12.7 | 9.2 |
| 2022-10-02 20:00 | 27.0 | 23.2 | 8.3 | 442.8 | 13.1 | 9.8 |
| 2022-10-02 19:00 | 29.2 | 16.1 | 8.5 | 449.1 | 10.6 | 7.6 |
| 2022-10-02 18:00 | 26.5 | 17.3 | 8.3 | 445.5 | 10.9 | 7.6 |
| 2022-10-02 17:00 | 22.7 | 23.6 | 8.3 | 391.4 | 10.1 | 8.6 |
| 2022-10-02 16:00 | 22.6 | 30.5 | 8.2 | 371.9 | 10.7 | 7.7 |
| 2022-10-02 15:00 | 23.0 | 30.7 | 8.5 | 386.2 | 10.6 | 7.0 |
| 2022-10-02 14:00 | 18.8 | 32.4 | 8.4 | 377.4 | 11.1 | 7.8 |
| 2022-10-02 13:00 | 18.8 | 36.0 | 8.4 | 384.8 | 11.0 | 7.2 |
| 2022-10-02 12:00 | 19.9 | 34.7 | 8.2 | 388.4 | 11.3 | 8.0 |
| 2022-10-02 11:00 | 19.1 | 35.5 | 8.4 | 385.4 | 11.0 | 7.0 |
| 2022-10-02 10:00 | 22.9 | 32.5 | 8.4 | 427.4 | 11.6 | 7.5 |
| 2022-10-02 09:00 | 23.4 | 28.1 | 8.4 | 425.1 | 13.1 | 9.3 |
| 2022-10-02 08:00 | 24.6 | 27.5 | 8.6 | 436.6 | 15.2 | 11.1 |
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.