Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-07 01:00 | - | - | - | - | 19.8 | 8.1 |
| 2022-10-07 00:00 | 2.0 | 88.7 | 7.6 | 392.7 | 18.3 | 6.9 |
| 2022-10-06 23:00 | 2.2 | 89.6 | 8.3 | 364.8 | 18.5 | 6.9 |
| 2022-10-06 22:00 | 2.8 | 92.3 | 8.1 | 392.6 | 18.7 | 6.9 |
| 2022-10-06 21:00 | 1.8 | 101.8 | 8.4 | 383.2 | 20.9 | 8.7 |
| 2022-10-06 20:00 | 3.2 | 104.5 | 8.4 | 382.0 | 20.5 | 8.2 |
| 2022-10-06 19:00 | 3.4 | 112.6 | 9.1 | 401.5 | 23.8 | 12.3 |
| 2022-10-06 18:00 | 3.2 | 129.0 | 9.4 | 407.7 | 23.4 | 12.0 |
| 2022-10-06 17:00 | 3.5 | 128.1 | 9.5 | 421.1 | 21.7 | 10.0 |
| 2022-10-06 16:00 | 2.8 | 126.5 | 9.9 | 419.5 | 20.7 | 9.9 |
| 2022-10-06 15:00 | 2.0 | 114.8 | 10.1 | 433.8 | 15.8 | 7.0 |
| 2022-10-06 14:00 | 1.6 | 103.8 | 9.2 | 397.4 | 18.4 | 8.6 |
| 2022-10-06 13:00 | 2.1 | 96.5 | 9.6 | 391.3 | 19.3 | 8.1 |
| 2022-10-06 12:00 | 2.4 | 90.2 | 9.6 | 386.0 | 18.7 | 8.0 |
| 2022-10-06 11:00 | 2.5 | 83.6 | 9.5 | 376.9 | 13.4 | 5.0 |
| 2022-10-06 10:00 | 3.0 | 75.0 | 9.0 | 375.1 | 14.2 | 5.9 |
| 2022-10-06 09:00 | 4.4 | 67.6 | 9.1 | 382.0 | 15.0 | 5.9 |
| 2022-10-06 08:00 | 2.9 | 67.7 | 9.4 | 404.1 | 18.5 | 8.6 |
| 2022-10-06 07:00 | 3.8 | 68.4 | 9.4 | 401.5 | 18.8 | 8.3 |
| 2022-10-06 06:00 | 2.6 | 72.2 | 9.2 | 393.8 | 19.5 | 6.9 |
| 2022-10-06 05:00 | 2.8 | 74.7 | 9.6 | 433.3 | 23.0 | 7.7 |
| 2022-10-06 04:00 | 3.6 | 76.2 | 9.0 | 432.3 | 23.3 | 7.5 |
| 2022-10-06 03:00 | 2.6 | 81.3 | 8.9 | 382.9 | 24.6 | 8.3 |
| 2022-10-06 02:00 | 1.7 | 85.7 | 8.5 | 408.4 | 26.1 | 9.2 |
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.