Past 24 Hours Pollutant Concentration Summary
Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-06-05 05:00 | 19.0 | 7.4 | 5.1 | 282.2 | 6.8 | 2.1 |
| 2020-06-05 04:00 | 12.2 | 13.9 | 5.2 | 276.0 | 6.5 | 4.8 |
| 2020-06-05 03:00 | 12.5 | 16.7 | 5.3 | 245.3 | 9.3 | 6.0 |
| 2020-06-05 02:00 | 4.8 | 23.8 | 4.6 | 245.1 | 7.4 | 3.6 |
| 2020-06-05 01:00 | 8.1 | 22.8 | 4.4 | 251.9 | 6.4 | 2.1 |
| 2020-06-05 00:00 | 14.0 | 16.6 | 4.9 | 266.0 | 7.2 | 3.2 |
| 2020-06-04 23:00 | 22.0 | 11.1 | 5.5 | 297.7 | 7.7 | 3.6 |
| 2020-06-04 22:00 | 20.9 | 12.3 | 5.2 | 316.8 | 8.0 | 3.9 |
| 2020-06-04 21:00 | 26.2 | 9.5 | 5.1 | 343.6 | 9.6 | 4.1 |
| 2020-06-04 20:00 | 29.6 | 10.8 | 4.7 | 358.9 | 9.5 | 2.5 |
| 2020-06-04 19:00 | 27.0 | 14.5 | 4.8 | 334.2 | 9.6 | 3.0 |
| 2020-06-04 18:00 | 27.1 | 18.9 | 4.8 | 338.4 | 12.1 | 6.0 |
| 2020-06-04 17:00 | 22.8 | 26.6 | 4.9 | 330.4 | 12.0 | 7.1 |
| 2020-06-04 16:00 | 19.3 | 33.5 | 4.8 | 307.5 | 10.1 | 5.7 |
| 2020-06-04 15:00 | 18.4 | 34.0 | 4.8 | 324.7 | 9.8 | 4.7 |
| 2020-06-04 14:00 | 22.1 | 32.3 | 4.7 | 322.8 | 9.1 | 4.3 |
| 2020-06-04 13:00 | 21.2 | 31.9 | 5.0 | 313.9 | 9.9 | 4.1 |
| 2020-06-04 12:00 | 21.3 | 26.4 | 5.1 | 316.9 | 9.3 | 3.2 |
| 2020-06-04 11:00 | 22.0 | 23.7 | 5.0 | 340.2 | 9.8 | 5.2 |
| 2020-06-04 10:00 | 25.3 | 16.9 | 5.4 | 341.7 | 9.0 | 5.0 |
| 2020-06-04 09:00 | 26.3 | 12.7 | 5.1 | 344.9 | 9.4 | 4.8 |
| 2020-06-04 08:00 | 25.9 | 8.6 | 4.9 | 344.6 | 9.5 | 5.0 |
| 2020-06-04 07:00 | 20.7 | 11.4 | 4.9 | 294.8 | 9.2 | 4.4 |
| 2020-06-04 06:00 | 11.9 | 17.1 | 4.8 | 247.6 | 8.6 | 5.4 |
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.
