Past 24 Hours Pollutant Concentration Summary
Tsuen Wan
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-05-27 06:00 | 50.5 | 10.8 | 9.0 | 496.8 | 18.9 | 10.6 |
| 2022-05-27 05:00 | 48.1 | 11.4 | 9.8 | 491.3 | 17.4 | 10.9 |
| 2022-05-27 04:00 | 52.3 | 6.6 | 10.9 | 492.4 | 14.5 | 9.3 |
| 2022-05-27 03:00 | 50.5 | 11.0 | 10.4 | 480.7 | 13.5 | 8.9 |
| 2022-05-27 02:00 | 49.4 | 13.3 | 9.7 | 493.3 | 10.1 | 6.4 |
| 2022-05-27 01:00 | - | - | - | - | 8.6 | 5.3 |
| 2022-05-27 00:00 | 62.4 | 11.9 | 10.2 | 492.2 | 10.2 | 7.2 |
| 2022-05-26 23:00 | 71.8 | 6.6 | 11.5 | 528.1 | 15.1 | 10.9 |
| 2022-05-26 22:00 | 79.0 | 3.1 | 14.1 | 605.7 | 17.3 | 11.6 |
| 2022-05-26 21:00 | 62.3 | 11.6 | 8.6 | 653.0 | 17.6 | 11.5 |
| 2022-05-26 20:00 | 83.8 | 3.1 | 10.5 | 679.4 | 14.6 | 8.0 |
| 2022-05-26 19:00 | 73.8 | 11.2 | 9.2 | 598.3 | 13.5 | 8.2 |
| 2022-05-26 18:00 | 72.1 | 14.3 | 9.2 | 635.1 | 14.7 | 9.9 |
| 2022-05-26 17:00 | 46.7 | 27.8 | 6.7 | 628.3 | 13.0 | 7.8 |
| 2022-05-26 16:00 | 57.0 | 23.6 | 6.9 | 608.2 | 14.5 | 8.9 |
| 2022-05-26 15:00 | 68.3 | 23.3 | 8.9 | 637.4 | 14.9 | 8.1 |
| 2022-05-26 14:00 | 67.3 | 28.3 | 9.3 | 604.8 | 14.4 | 8.1 |
| 2022-05-26 13:00 | 55.1 | 30.5 | 9.3 | 572.0 | 14.0 | 7.3 |
| 2022-05-26 12:00 | 61.6 | 19.2 | 10.2 | 594.4 | 17.1 | 9.6 |
| 2022-05-26 11:00 | 67.8 | 8.6 | 10.7 | 681.5 | 15.4 | 9.7 |
| 2022-05-26 10:00 | 59.4 | 10.2 | 8.0 | 657.5 | 8.9 | 5.8 |
| 2022-05-26 09:00 | 47.5 | 14.5 | 7.1 | 663.1 | 8.2 | 5.2 |
| 2022-05-26 08:00 | 39.1 | 16.6 | 6.7 | 634.4 | 9.5 | 5.5 |
| 2022-05-26 07:00 | 30.1 | 8.0 | 6.5 | 585.9 | 11.3 | 6.4 |
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.