Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-05 08:00 | 45.1 | 19.0 | 4.0 | 810.3 | 18.0 | 12.9 |
| 2024-05-05 07:00 | 40.5 | 21.1 | 3.6 | 788.4 | 20.9 | 12.0 |
| 2024-05-05 06:00 | 38.8 | 20.5 | 3.6 | 822.8 | 21.0 | 13.9 |
| 2024-05-05 05:00 | 45.7 | 11.4 | 3.6 | 916.2 | 18.1 | 14.0 |
| 2024-05-05 04:00 | 44.7 | 13.7 | 3.5 | 788.1 | 19.0 | 11.1 |
| 2024-05-05 03:00 | 55.1 | 11.7 | 3.6 | 824.1 | 17.1 | 12.9 |
| 2024-05-05 02:00 | 69.1 | 6.5 | 3.9 | 866.3 | 18.0 | 12.0 |
| 2024-05-05 01:00 | 77.8 | 4.7 | 4.3 | 931.6 | 23.8 | 13.0 |
| 2024-05-05 00:00 | 84.0 | 5.0 | 4.3 | 896.3 | 18.2 | 9.1 |
| 2024-05-04 23:00 | 73.8 | 18.6 | 3.6 | 774.6 | 15.1 | 11.9 |
| 2024-05-04 22:00 | 72.1 | 21.9 | 3.5 | 817.9 | 12.1 | 12.0 |
| 2024-05-04 21:00 | 63.9 | 40.4 | 3.3 | 757.6 | 17.8 | 13.0 |
| 2024-05-04 20:00 | 70.4 | 44.7 | 3.3 | 812.4 | 15.1 | 9.1 |
| 2024-05-04 19:00 | 59.0 | 65.1 | 3.4 | 764.0 | 10.2 | 8.0 |
| 2024-05-04 18:00 | 50.0 | 51.8 | 3.5 | 697.8 | 11.9 | 8.0 |
| 2024-05-04 17:00 | 53.9 | 49.2 | 3.2 | 757.4 | 14.9 | 8.0 |
| 2024-05-04 16:00 | 37.2 | 74.1 | 3.3 | 714.2 | 16.0 | 9.0 |
| 2024-05-04 15:00 | 36.2 | 71.6 | 3.3 | 674.5 | 15.0 | 7.1 |
| 2024-05-04 14:00 | 46.6 | 49.3 | 3.4 | 758.2 | 11.1 | 5.1 |
| 2024-05-04 13:00 | 50.3 | 45.0 | 3.4 | 839.1 | 7.1 | - |
| 2024-05-04 12:00 | 43.3 | 53.3 | 3.4 | 726.4 | 8.9 | - |
| 2024-05-04 11:00 | 63.7 | 30.0 | 3.7 | 821.2 | 7.1 | - |
| 2024-05-04 10:00 | 64.2 | 29.1 | 3.4 | 812.8 | 8.9 | 7.0 |
| 2024-05-04 09:00 | 51.0 | 41.2 | 3.4 | 774.4 | 8.0 | 6.0 |
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.