Past 24 Hours Pollutant Concentration Summary
Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-08-14 19:00 | 19.8 | 54.9 | 6.4 | 376.5 | 8.2 | 7.0 |
| 2022-08-14 18:00 | 14.8 | 79.7 | 5.9 | 385.0 | 15.7 | 7.0 |
| 2022-08-14 17:00 | 11.7 | 85.4 | 6.3 | 368.3 | 10.2 | 8.0 |
| 2022-08-14 16:00 | 14.0 | 82.6 | 6.4 | 395.3 | 14.8 | 7.0 |
| 2022-08-14 15:00 | 16.2 | 76.1 | 5.7 | 415.5 | 16.0 | 8.0 |
| 2022-08-14 14:00 | 14.4 | 67.4 | 5.6 | 426.3 | 9.2 | 6.1 |
| 2022-08-14 13:00 | 13.5 | 43.6 | 5.8 | 428.7 | 12.9 | 7.0 |
| 2022-08-14 12:00 | 16.2 | 44.8 | 6.2 | 408.5 | 15.9 | 8.9 |
| 2022-08-14 11:00 | 28.5 | 30.6 | 7.1 | 419.8 | 21.8 | 8.0 |
| 2022-08-14 10:00 | 26.6 | 29.1 | 6.4 | 471.2 | 15.2 | 5.1 |
| 2022-08-14 09:00 | 21.1 | 28.4 | 5.7 | 575.0 | 16.0 | 5.0 |
| 2022-08-14 08:00 | 32.0 | 12.5 | 6.4 | 655.6 | 12.1 | 5.0 |
| 2022-08-14 07:00 | 30.7 | 9.0 | 6.1 | 511.2 | 14.9 | 6.9 |
| 2022-08-14 06:00 | 31.5 | 8.5 | 6.1 | 458.4 | 14.0 | 6.0 |
| 2022-08-14 05:00 | 35.4 | 6.5 | 6.5 | 490.7 | 11.1 | 7.9 |
| 2022-08-14 04:00 | 34.1 | 9.6 | 7.0 | 364.6 | 12.9 | 9.0 |
| 2022-08-14 03:00 | 35.5 | 11.7 | 7.5 | 373.5 | 14.0 | 7.1 |
| 2022-08-14 02:00 | 37.9 | 11.9 | 7.4 | 366.7 | 11.1 | 4.1 |
| 2022-08-14 01:00 | 26.1 | 24.1 | 6.0 | 358.5 | 12.0 | 6.9 |
| 2022-08-14 00:00 | 23.5 | 28.7 | 5.4 | 372.0 | 8.1 | - |
| 2022-08-13 23:00 | 27.2 | 28.6 | 5.2 | 404.3 | 7.0 | - |
| 2022-08-13 22:00 | 27.3 | 33.5 | 5.2 | 397.0 | 10.9 | 9.0 |
| 2022-08-13 21:00 | 30.1 | 35.0 | 5.4 | 414.9 | 13.9 | 9.0 |
| 2022-08-13 20:00 | 39.6 | 36.6 | 6.2 | 466.3 | 19.8 | 8.0 |
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.