Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-29 18:00 | 36.9 | 26.0 | 3.8 | 653.6 | 21.1 | 15.9 |
| 2024-04-29 17:00 | 38.7 | 26.2 | 4.1 | 647.9 | 22.0 | 17.9 |
| 2024-04-29 16:00 | 27.4 | 39.6 | 3.9 | 631.7 | 25.8 | 11.4 |
| 2024-04-29 15:00 | 24.7 | 40.4 | 4.1 | 632.4 | 25.0 | 14.9 |
| 2024-04-29 14:00 | 28.6 | 34.5 | 4.3 | 661.0 | 26.0 | 11.1 |
| 2024-04-29 13:00 | 28.1 | 32.5 | 4.3 | 649.2 | 24.1 | 12.0 |
| 2024-04-29 12:00 | 29.6 | 30.7 | 4.0 | 651.6 | 31.7 | 27.5 |
| 2024-04-29 11:00 | 32.9 | 26.4 | 4.1 | 656.6 | 30.1 | 16.4 |
| 2024-04-29 10:00 | 41.9 | 16.8 | 5.0 | 694.9 | 27.1 | 12.1 |
| 2024-04-29 09:00 | 51.7 | 10.5 | 5.5 | 711.4 | 22.2 | 10.1 |
| 2024-04-29 08:00 | 56.3 | 7.8 | 5.0 | 730.8 | 22.0 | 13.9 |
| 2024-04-29 07:00 | 46.9 | 14.6 | 4.3 | 672.3 | 20.1 | 10.1 |
| 2024-04-29 06:00 | 45.9 | 16.0 | 4.7 | 648.3 | 21.0 | 11.0 |
| 2024-04-29 05:00 | 35.1 | 25.0 | 4.1 | 632.2 | 22.0 | 14.9 |
| 2024-04-29 04:00 | 21.7 | 38.3 | 3.7 | 610.5 | 19.1 | 15.0 |
| 2024-04-29 03:00 | 21.4 | 44.0 | 3.6 | 615.7 | 18.0 | 15.0 |
| 2024-04-29 02:00 | 25.1 | 45.7 | 3.6 | 633.2 | 24.8 | 11.1 |
| 2024-04-29 01:00 | 29.4 | 45.6 | 3.7 | 641.4 | 23.1 | 8.1 |
| 2024-04-29 00:00 | 23.2 | 53.7 | 3.8 | 635.3 | 24.0 | 9.0 |
| 2024-04-28 23:00 | 30.5 | 46.1 | 3.6 | 654.2 | 16.3 | 10.9 |
| 2024-04-28 22:00 | 32.7 | 48.2 | 3.6 | 650.1 | 15.0 | 11.0 |
| 2024-04-28 21:00 | 23.8 | 65.9 | 3.4 | 651.8 | 16.0 | - |
| 2024-04-28 20:00 | 24.7 | 71.3 | 3.4 | 661.3 | 9.2 | - |
| 2024-04-28 19:00 | 16.2 | 87.8 | 3.2 | 653.7 | 17.7 | 11.0 |
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.