Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-09-27 09:00 | 4.9 | 71.3 | 10.0 | 699.3 | 22.0 | 11.2 |
| 2022-09-27 08:00 | 5.7 | 67.3 | 10.5 | 673.3 | 19.0 | 9.2 |
| 2022-09-27 07:00 | 7.3 | 68.8 | 10.0 | 663.0 | 20.1 | 10.3 |
| 2022-09-27 06:00 | 7.6 | 67.7 | 10.6 | 682.2 | 17.8 | 8.1 |
| 2022-09-27 05:00 | 5.2 | 77.0 | 10.5 | 666.8 | 19.9 | 7.1 |
| 2022-09-27 04:00 | 4.5 | 84.6 | 10.1 | 659.2 | 25.3 | 10.1 |
| 2022-09-27 03:00 | 5.0 | 85.8 | 10.1 | 691.9 | 21.9 | 8.8 |
| 2022-09-27 02:00 | 5.7 | 99.6 | 12.1 | 715.0 | 23.8 | 11.2 |
| 2022-09-27 01:00 | - | - | - | - | 26.8 | 12.9 |
| 2022-09-27 00:00 | 7.0 | 96.7 | 10.2 | 732.9 | 25.8 | 11.1 |
| 2022-09-26 23:00 | 5.2 | 99.3 | 9.5 | 708.8 | 24.5 | 8.6 |
| 2022-09-26 22:00 | 5.7 | 102.2 | 9.4 | 722.2 | 22.7 | 8.0 |
| 2022-09-26 21:00 | 3.2 | 103.7 | 9.4 | 702.7 | 26.5 | 12.2 |
| 2022-09-26 20:00 | 2.7 | 126.7 | 9.5 | 707.7 | 27.4 | 12.9 |
| 2022-09-26 19:00 | 2.0 | 124.6 | 9.3 | 702.9 | 25.7 | 12.1 |
| 2022-09-26 18:00 | 4.6 | 132.9 | 9.3 | 695.9 | 30.7 | 15.9 |
| 2022-09-26 17:00 | 3.0 | 161.2 | 10.5 | 762.8 | 32.1 | 16.3 |
| 2022-09-26 16:00 | 5.9 | 159.4 | 10.6 | 775.5 | 35.9 | 18.1 |
| 2022-09-26 15:00 | 6.2 | 154.7 | 11.0 | 782.1 | 35.4 | 19.0 |
| 2022-09-26 14:00 | 3.6 | 162.9 | 11.4 | 771.7 | 36.3 | 20.0 |
| 2022-09-26 13:00 | 5.6 | 166.6 | 12.0 | 786.6 | 34.5 | 18.6 |
| 2022-09-26 12:00 | 6.5 | 162.7 | 12.1 | 730.5 | 35.0 | 17.8 |
| 2022-09-26 11:00 | 9.5 | 145.1 | 13.1 | 782.1 | 37.5 | 18.4 |
| 2022-09-26 10:00 | 8.8 | 124.3 | 11.3 | 796.5 | 33.9 | 13.0 |
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.