Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 02:00 | 2.7 | 107.3 | 0.9 | 321.3 | 6.1 | - |
| 2024-04-28 01:00 | 3.2 | 95.9 | 1.1 | 306.0 | 19.4 | - |
| 2024-04-28 00:00 | 2.1 | 104.7 | 1.0 | 319.2 | 30.4 | 9.5 |
| 2024-04-27 23:00 | 5.7 | 85.0 | 1.2 | 316.5 | 22.4 | 9.1 |
| 2024-04-27 22:00 | 6.7 | 37.7 | 1.0 | 252.4 | 22.5 | 8.1 |
| 2024-04-27 21:00 | 7.3 | 38.2 | 1.3 | 241.9 | 27.2 | 9.7 |
| 2024-04-27 20:00 | 5.0 | 40.6 | 1.1 | 250.2 | 26.2 | 7.2 |
| 2024-04-27 19:00 | 4.3 | 40.4 | 1.3 | 256.2 | 28.3 | 11.7 |
| 2024-04-27 18:00 | 3.4 | 44.2 | 1.3 | 266.3 | 22.8 | 9.0 |
| 2024-04-27 17:00 | 3.0 | 48.5 | 1.2 | 262.9 | 17.8 | 3.8 |
| 2024-04-27 16:00 | 9.1 | 54.1 | 1.4 | 293.5 | - | - |
| 2024-04-27 15:00 | 12.3 | 56.5 | 1.7 | 335.9 | - | - |
| 2024-04-27 14:00 | 9.2 | 61.1 | 1.6 | 360.3 | - | - |
| 2024-04-27 13:00 | 13.9 | 50.4 | 1.4 | 342.3 | - | - |
| 2024-04-27 12:00 | 11.1 | 36.0 | 1.4 | 293.4 | - | - |
| 2024-04-27 11:00 | 7.9 | 30.2 | 1.3 | 307.7 | 20.4 | 10.8 |
| 2024-04-27 10:00 | 7.9 | 29.3 | 1.1 | 319.9 | 17.1 | 7.4 |
| 2024-04-27 09:00 | 7.4 | 31.5 | 1.1 | 316.2 | 14.8 | 7.1 |
| 2024-04-27 08:00 | 5.3 | 26.3 | 1.1 | 336.2 | 15.5 | 7.5 |
| 2024-04-27 07:00 | 4.9 | 25.1 | 1.2 | 327.0 | 15.7 | 7.0 |
| 2024-04-27 06:00 | 2.7 | 18.8 | 1.0 | 315.4 | 13.4 | 5.1 |
| 2024-04-27 05:00 | 4.3 | 21.2 | 1.2 | 328.0 | 14.8 | 5.8 |
| 2024-04-27 04:00 | 5.5 | 20.1 | 1.2 | 314.9 | 16.1 | 5.9 |
| 2024-04-27 03:00 | 5.9 | 18.0 | 1.3 | 317.9 | 15.5 | 6.8 |
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.