Past 24 Hours Pollutant Concentration Summary
Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-26 02:00 | 50.5 | 8.6 | 4.6 | 689.4 | 23.0 | 7.9 |
| 2024-04-26 01:00 | 48.8 | 2.9 | 5.3 | 648.6 | 22.0 | 10.9 |
| 2024-04-26 00:00 | 44.3 | 3.3 | 5.0 | 621.3 | 22.0 | 12.0 |
| 2024-04-25 23:00 | 39.6 | 6.3 | 4.3 | 631.3 | 20.0 | 11.0 |
| 2024-04-25 22:00 | 39.9 | 6.8 | 4.3 | 637.9 | 16.1 | 11.0 |
| 2024-04-25 21:00 | 41.4 | 7.9 | 4.2 | 647.3 | 17.0 | 12.9 |
| 2024-04-25 20:00 | 36.1 | 15.6 | 4.0 | 641.0 | 18.0 | 11.1 |
| 2024-04-25 19:00 | 42.3 | 13.7 | 4.4 | 649.2 | 21.9 | 7.1 |
| 2024-04-25 18:00 | 45.1 | 16.9 | 4.1 | 640.1 | 15.1 | 6.0 |
| 2024-04-25 17:00 | 43.9 | 22.4 | 4.3 | 616.7 | 15.0 | 8.9 |
| 2024-04-25 16:00 | 36.0 | 37.2 | 3.6 | 604.8 | 19.9 | 10.0 |
| 2024-04-25 15:00 | 34.5 | 53.8 | 4.1 | 610.3 | 24.9 | 11.0 |
| 2024-04-25 14:00 | 27.7 | 54.1 | 4.0 | 602.5 | 14.2 | 13.9 |
| 2024-04-25 13:00 | 21.6 | 31.7 | 3.8 | 591.0 | 22.9 | 18.8 |
| 2024-04-25 12:00 | 26.5 | 24.1 | 3.6 | 615.6 | 22.0 | 17.1 |
| 2024-04-25 11:00 | 42.4 | 13.9 | 4.0 | 669.0 | 26.9 | 17.0 |
| 2024-04-25 10:00 | 52.3 | 16.7 | 4.0 | 729.7 | 24.1 | 19.0 |
| 2024-04-25 09:00 | 59.1 | 16.2 | 3.9 | 746.6 | 27.0 | 16.1 |
| 2024-04-25 08:00 | 57.2 | 24.5 | 4.3 | 770.8 | 21.1 | 10.1 |
| 2024-04-25 07:00 | 32.0 | 51.1 | 3.9 | 693.8 | 18.1 | 10.0 |
| 2024-04-25 06:00 | 25.6 | 54.5 | 4.3 | 698.5 | 19.0 | 13.9 |
| 2024-04-25 05:00 | 17.1 | 61.7 | 3.4 | 637.2 | 23.9 | 12.0 |
| 2024-04-25 04:00 | 8.4 | 71.3 | 3.5 | 619.4 | 20.1 | 14.0 |
| 2024-04-25 03:00 | 14.7 | 68.3 | 3.3 | 663.2 | 23.9 | 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.