Past 24 Hours Pollutant Concentration Summary
Tap Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-03 23:00 | 1.2 | 145.4 | 1.5 | 389.4 | 31.7 | 8.4 |
| 2024-05-03 22:00 | 1.5 | 149.1 | 1.6 | 385.5 | 29.2 | 9.8 |
| 2024-05-03 21:00 | 3.8 | 147.4 | 1.7 | 386.6 | 40.1 | 17.6 |
| 2024-05-03 20:00 | 5.7 | 139.2 | 1.5 | 365.9 | 48.8 | 27.1 |
| 2024-05-03 19:00 | 0.8 | 141.0 | 1.3 | 372.4 | 40.8 | 21.3 |
| 2024-05-03 18:00 | 4.3 | 135.6 | 1.6 | 362.5 | 43.5 | 29.4 |
| 2024-05-03 17:00 | 1.5 | 146.9 | 1.7 | 365.0 | 36.1 | 28.7 |
| 2024-05-03 16:00 | 2.3 | 155.3 | 1.9 | 378.9 | 18.3 | 18.2 |
| 2024-05-03 15:00 | 2.2 | 153.8 | 2.0 | 441.1 | 38.6 | 24.2 |
| 2024-05-03 14:00 | 1.4 | 138.5 | 1.7 | 411.7 | 43.0 | 22.7 |
| 2024-05-03 13:00 | 1.8 | 130.3 | 1.5 | 368.1 | 26.8 | 10.9 |
| 2024-05-03 12:00 | 1.0 | 125.2 | 1.3 | 367.7 | 20.0 | 5.4 |
| 2024-05-03 11:00 | 1.5 | 116.2 | 1.3 | 371.7 | 25.2 | 6.8 |
| 2024-05-03 10:00 | 2.7 | 113.6 | 1.2 | 357.8 | 30.4 | 11.4 |
| 2024-05-03 09:00 | 3.5 | 112.4 | 1.3 | 355.4 | 17.5 | 4.9 |
| 2024-05-03 08:00 | 2.3 | 115.6 | 1.4 | 353.7 | 16.2 | 3.7 |
| 2024-05-03 07:00 | 2.1 | 120.1 | 1.3 | 361.2 | 28.4 | 13.2 |
| 2024-05-03 06:00 | 2.5 | 124.9 | 1.2 | 366.4 | 35.4 | 20.3 |
| 2024-05-03 05:00 | 2.0 | 131.0 | 1.4 | 375.8 | 32.2 | 19.2 |
| 2024-05-03 04:00 | 2.9 | 131.9 | 1.4 | 386.3 | 31.0 | 14.8 |
| 2024-05-03 03:00 | 2.7 | 128.7 | 1.8 | 421.8 | 13.7 | - |
| 2024-05-03 02:00 | 2.8 | 127.0 | 2.0 | 430.2 | 8.3 | - |
| 2024-05-03 01:00 | - | - | - | - | 20.1 | 15.8 |
| 2024-05-03 00:00 | 2.9 | 127.3 | 1.6 | 376.9 | 25.2 | 18.0 |
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.