Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-15 23:00 | 57.8 | 98.8 | 5.4 | 715.9 | 38.7 | 24.9 |
| 2024-05-15 22:00 | 71.3 | 84.7 | 6.1 | 731.9 | 38.0 | 23.1 |
| 2024-05-15 21:00 | 63.2 | 108.3 | 6.1 | 704.0 | 34.1 | 23.0 |
| 2024-05-15 20:00 | 67.9 | 118.8 | 6.0 | 699.4 | 37.9 | 27.8 |
| 2024-05-15 19:00 | 72.0 | 128.2 | 6.8 | 701.3 | 40.9 | 18.3 |
| 2024-05-15 18:00 | 42.3 | 179.7 | 6.1 | 680.7 | 49.7 | 23.8 |
| 2024-05-15 17:00 | 31.1 | 202.1 | 6.4 | 662.5 | 64.5 | 25.9 |
| 2024-05-15 16:00 | 38.6 | 185.9 | 6.9 | 671.1 | 48.6 | 26.0 |
| 2024-05-15 15:00 | 36.6 | 184.3 | 6.4 | 674.6 | 43.2 | 19.2 |
| 2024-05-15 14:00 | 28.8 | 190.9 | 5.9 | 646.9 | 40.1 | 21.9 |
| 2024-05-15 13:00 | 21.8 | 186.6 | 5.4 | 633.0 | 36.1 | 24.9 |
| 2024-05-15 12:00 | 26.8 | 163.1 | 5.3 | 640.3 | 32.1 | 14.4 |
| 2024-05-15 11:00 | 23.4 | 143.5 | 4.8 | 602.1 | 35.9 | 18.8 |
| 2024-05-15 10:00 | 26.5 | 120.2 | 4.4 | 627.7 | 31.2 | 10.3 |
| 2024-05-15 09:00 | 26.1 | 112.0 | 4.3 | 634.2 | 35.8 | 11.0 |
| 2024-05-15 08:00 | 21.1 | 110.4 | 3.9 | 617.4 | 28.3 | 13.9 |
| 2024-05-15 07:00 | 20.6 | 114.5 | 3.9 | 659.2 | 28.0 | 11.1 |
| 2024-05-15 06:00 | 19.9 | 116.1 | 3.8 | 619.5 | 25.1 | 16.8 |
| 2024-05-15 05:00 | 17.5 | 121.4 | 3.8 | 642.6 | 31.8 | 16.0 |
| 2024-05-15 04:00 | 12.0 | 132.0 | 3.8 | 558.7 | 33.0 | 13.1 |
| 2024-05-15 03:00 | 8.1 | 143.0 | 3.9 | 558.3 | 33.0 | 16.9 |
| 2024-05-15 02:00 | 11.7 | 134.8 | 3.8 | 564.9 | 29.1 | 14.1 |
| 2024-05-15 01:00 | 15.3 | - | 3.9 | 584.0 | 27.1 | 15.0 |
| 2024-05-15 00:00 | 22.8 | 120.8 | 4.1 | 609.2 | 30.9 | 15.0 |
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.
