Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-02 05:00 | 23.9 | 31.8 | 3.6 | 929.3 | 26.9 | 18.0 |
| 2024-05-02 04:00 | 24.7 | 31.4 | 3.6 | 862.8 | 32.8 | 19.9 |
| 2024-05-02 03:00 | 33.6 | 29.0 | 4.0 | 856.7 | 33.0 | 18.1 |
| 2024-05-02 02:00 | 58.4 | 18.5 | 5.0 | 876.3 | 35.9 | 24.8 |
| 2024-05-02 01:00 | 74.6 | 6.7 | 5.6 | 877.1 | 34.1 | 29.8 |
| 2024-05-02 00:00 | 84.5 | 5.7 | 5.4 | 874.8 | 28.2 | 23.2 |
| 2024-05-01 23:00 | 64.1 | 22.4 | 4.2 | 865.8 | 29.0 | 23.0 |
| 2024-05-01 22:00 | 69.2 | 23.3 | 4.5 | 890.4 | 24.2 | 24.0 |
| 2024-05-01 21:00 | 80.8 | 21.1 | 4.8 | 846.0 | 20.1 | 18.2 |
| 2024-05-01 20:00 | 88.8 | 19.6 | 4.7 | 852.9 | 19.0 | 15.1 |
| 2024-05-01 19:00 | 67.4 | 47.4 | 3.8 | 928.4 | 19.0 | 16.9 |
| 2024-05-01 18:00 | 58.5 | 68.2 | 4.0 | 839.5 | 14.2 | - |
| 2024-05-01 17:00 | 42.9 | 91.8 | 3.9 | 803.8 | 16.9 | - |
| 2024-05-01 16:00 | 47.5 | 92.6 | 3.9 | 823.2 | 12.2 | - |
| 2024-05-01 15:00 | 65.7 | 61.3 | 4.3 | 863.2 | 7.2 | - |
| 2024-05-01 14:00 | 78.4 | 31.1 | 4.3 | 867.5 | 2.2 | - |
| 2024-05-01 13:00 | 68.9 | 29.4 | 4.0 | 901.1 | 2.0 | - |
| 2024-05-01 12:00 | 48.9 | 46.4 | 3.6 | 845.7 | 4.9 | - |
| 2024-05-01 11:00 | 43.2 | 54.4 | 3.5 | 811.9 | 7.9 | - |
| 2024-05-01 10:00 | 51.0 | 41.6 | 3.7 | 876.2 | 10.9 | 8.0 |
| 2024-05-01 09:00 | 43.5 | 54.3 | 3.7 | 871.3 | 9.1 | 9.0 |
| 2024-05-01 08:00 | 42.7 | 60.7 | 3.5 | 855.0 | 4.2 | 4.2 |
| 2024-05-01 07:00 | 28.6 | 69.7 | 3.4 | 811.4 | 3.0 | 3.0 |
| 2024-05-01 06:00 | 20.8 | 72.0 | 3.4 | 824.3 | 25.2 | 20.4 |
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.
