Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-24 10:00 | 15.1 | 38.9 | 1.6 | 440.8 | 16.0 | 10.3 |
| 2024-04-24 09:00 | 18.1 | 23.6 | 1.5 | 471.6 | 9.6 | 6.9 |
| 2024-04-24 08:00 | 10.4 | 23.9 | 1.4 | 379.0 | 10.9 | 7.8 |
| 2024-04-24 07:00 | 4.5 | 22.7 | 1.0 | 335.0 | 9.0 | 2.9 |
| 2024-04-24 06:00 | 3.0 | 25.3 | 1.3 | 336.0 | 4.0 | 1.1 |
| 2024-04-24 05:00 | 2.4 | 24.9 | 1.2 | 325.0 | 9.5 | 2.5 |
| 2024-04-24 04:00 | 2.1 | 16.9 | 1.2 | 324.5 | 12.9 | 4.9 |
| 2024-04-24 03:00 | 2.8 | 34.6 | 1.1 | 317.2 | 12.0 | 5.6 |
| 2024-04-24 02:00 | 7.3 | 33.5 | 1.2 | 307.0 | 11.7 | 4.6 |
| 2024-04-24 01:00 | 5.1 | 24.8 | 1.2 | 324.3 | 12.4 | 5.4 |
| 2024-04-24 00:00 | 2.9 | 26.3 | 1.2 | 321.4 | 9.3 | 3.4 |
| 2024-04-23 23:00 | 3.5 | 31.8 | 1.1 | 311.0 | 10.4 | 3.1 |
| 2024-04-23 22:00 | 2.2 | 28.6 | 1.2 | 307.2 | 8.6 | 3.6 |
| 2024-04-23 21:00 | 2.5 | 41.1 | 1.0 | 313.1 | 10.1 | 4.1 |
| 2024-04-23 20:00 | 2.2 | 37.8 | 1.0 | 313.3 | 7.6 | 2.7 |
| 2024-04-23 19:00 | 4.5 | 89.1 | 1.3 | 308.7 | 3.1 | 1.6 |
| 2024-04-23 18:00 | 4.6 | 95.5 | 1.2 | 318.0 | 2.2 | 1.1 |
| 2024-04-23 17:00 | 4.0 | 95.5 | 1.1 | 317.4 | 2.2 | 1.3 |
| 2024-04-23 16:00 | 8.7 | 78.3 | 1.3 | 334.7 | 3.8 | 2.8 |
| 2024-04-23 15:00 | 6.7 | 74.6 | 1.1 | 333.0 | 2.5 | 1.7 |
| 2024-04-23 14:00 | 7.3 | 80.9 | 1.0 | 329.2 | 2.8 | 1.8 |
| 2024-04-23 13:00 | 3.7 | 92.9 | 0.9 | 309.6 | 3.9 | 1.9 |
| 2024-04-23 12:00 | 2.9 | 86.8 | 1.1 | 313.1 | 5.9 | 3.5 |
| 2024-04-23 11:00 | 3.1 | 96.6 | 1.2 | 311.5 | 3.9 | 0.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.