Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-24 21:00 | 101.4 | 3.4 | 6.6 | 905.8 | 33.2 | 25.1 |
| 2024-04-24 20:00 | 98.6 | 3.1 | 6.3 | 891.7 | 40.9 | 28.0 |
| 2024-04-24 19:00 | 98.0 | 4.1 | 7.3 | 905.8 | 26.3 | 20.1 |
| 2024-04-24 18:00 | 78.5 | 15.8 | 5.3 | 842.8 | 23.1 | 14.1 |
| 2024-04-24 17:00 | 69.0 | 23.9 | 4.8 | 809.2 | 22.0 | 19.9 |
| 2024-04-24 16:00 | 57.2 | 33.0 | 4.9 | 792.4 | 33.8 | 23.9 |
| 2024-04-24 15:00 | 70.5 | 24.6 | 6.9 | 831.5 | 30.1 | 27.0 |
| 2024-04-24 14:00 | 76.3 | 22.5 | 7.8 | - | 29.0 | 20.1 |
| 2024-04-24 13:00 | 62.6 | 30.6 | 4.9 | - | 32.9 | 17.1 |
| 2024-04-24 12:00 | 58.8 | 28.1 | 4.7 | - | 34.0 | 23.9 |
| 2024-04-24 11:00 | 72.9 | 16.4 | 6.2 | - | 35.0 | 20.1 |
| 2024-04-24 10:00 | 71.3 | 13.7 | 5.2 | 874.9 | 31.1 | 20.0 |
| 2024-04-24 09:00 | 67.3 | 15.9 | 4.9 | 900.6 | 28.1 | 19.0 |
| 2024-04-24 08:00 | 65.3 | 11.3 | 4.9 | 929.7 | 24.1 | 20.0 |
| 2024-04-24 07:00 | 52.0 | 18.6 | 4.2 | 861.9 | 22.0 | 17.1 |
| 2024-04-24 06:00 | 43.0 | 14.7 | 3.9 | 1,009.9 | 27.9 | 15.0 |
| 2024-04-24 05:00 | 39.5 | 33.5 | 3.6 | 826.1 | 21.1 | 12.1 |
| 2024-04-24 04:00 | 41.0 | 18.7 | 3.7 | 738.0 | 25.9 | 13.0 |
| 2024-04-24 03:00 | 35.2 | 28.0 | 3.2 | 742.7 | 16.2 | 14.0 |
| 2024-04-24 02:00 | 29.9 | 50.1 | 3.4 | 710.7 | 19.9 | 10.1 |
| 2024-04-24 01:00 | 54.2 | - | 3.8 | 772.3 | 21.0 | 9.0 |
| 2024-04-24 00:00 | 55.2 | 15.7 | 3.8 | 723.2 | 17.1 | 12.9 |
| 2024-04-23 23:00 | 52.1 | 23.8 | 3.8 | 702.3 | 21.9 | 14.0 |
| 2024-04-23 22:00 | 40.6 | 43.2 | 4.0 | 682.6 | 9.2 | - |
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.
