Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 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 |
| 2024-05-14 23:00 | 20.9 | 127.5 | 4.0 | 626.5 | 27.1 | 15.0 |
| 2024-05-14 22:00 | 34.4 | 113.5 | 4.6 | 642.0 | 26.0 | 16.9 |
| 2024-05-14 21:00 | 45.8 | 95.7 | 4.4 | 662.1 | 31.8 | 18.0 |
| 2024-05-14 20:00 | 81.8 | 60.4 | 4.3 | 710.1 | 27.2 | 17.0 |
| 2024-05-14 19:00 | 53.4 | 95.2 | 4.4 | 657.7 | 25.1 | 11.2 |
| 2024-05-14 18:00 | 36.3 | 125.5 | 4.7 | 627.3 | 26.9 | 14.9 |
| 2024-05-14 17:00 | 21.7 | 144.6 | 4.6 | 583.8 | 29.9 | 15.0 |
| 2024-05-14 16:00 | 24.7 | 153.8 | 4.8 | 598.0 | 40.6 | 13.1 |
| 2024-05-14 15:00 | 23.4 | 161.1 | 5.0 | 600.9 | 35.2 | 18.8 |
| 2024-05-14 14:00 | 30.6 | 155.8 | 5.1 | 625.8 | 37.9 | 20.0 |
| 2024-05-14 13:00 | 40.3 | 135.5 | 5.6 | 656.8 | 46.7 | 16.1 |
| 2024-05-14 12:00 | 25.9 | 139.9 | 5.0 | 643.0 | 42.2 | 20.8 |
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.