Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-25 01:00 | 22.1 | 55.5 | 1.5 | 548.5 | 17.0 | 10.9 |
| 2022-01-25 00:00 | 22.5 | 53.1 | 1.4 | 573.3 | 16.0 | 11.0 |
| 2022-01-24 23:00 | 21.6 | 57.3 | 1.4 | 568.8 | 15.0 | 14.9 |
| 2022-01-24 22:00 | 21.0 | 61.7 | 1.6 | 568.9 | 21.9 | 16.9 |
| 2022-01-24 21:00 | 40.4 | 43.5 | 1.7 | 628.8 | 29.9 | - |
| 2022-01-24 20:00 | 61.8 | 27.6 | 2.4 | 697.8 | 41.8 | 28.1 |
| 2022-01-24 19:00 | 96.3 | 4.3 | 4.2 | 795.3 | 37.1 | 28.0 |
| 2022-01-24 18:00 | 84.7 | 11.7 | 3.5 | 723.0 | 28.2 | 22.2 |
| 2022-01-24 17:00 | 70.1 | 21.1 | 3.5 | 678.5 | 43.7 | 23.9 |
| 2022-01-24 16:00 | 68.7 | 28.4 | 3.0 | 688.9 | 41.1 | 25.9 |
| 2022-01-24 15:00 | 75.3 | 24.2 | 4.0 | 726.7 | 35.1 | 21.2 |
| 2022-01-24 14:00 | 75.8 | 12.1 | 5.9 | 728.1 | 34.0 | 22.0 |
| 2022-01-24 13:00 | 78.3 | 6.8 | 8.1 | 785.4 | 57.6 | 26.8 |
| 2022-01-24 12:00 | 82.7 | 3.0 | 9.2 | 835.4 | 41.3 | 27.0 |
| 2022-01-24 11:00 | 82.6 | 3.2 | 11.0 | 923.6 | 30.2 | 29.9 |
| 2022-01-24 10:00 | 76.8 | 2.0 | 9.3 | 879.7 | 32.0 | 27.1 |
| 2022-01-24 09:00 | 70.5 | 1.5 | 6.6 | 1,029.1 | 35.9 | 27.0 |
| 2022-01-24 08:00 | 72.0 | 1.2 | 6.5 | 1,104.8 | 31.1 | 21.1 |
| 2022-01-24 07:00 | 66.7 | 1.2 | 5.0 | 963.7 | 19.2 | - |
| 2022-01-24 06:00 | 64.8 | 1.0 | 4.8 | 864.5 | 23.9 | 19.0 |
| 2022-01-24 05:00 | 68.1 | 1.0 | 4.8 | 889.1 | 28.9 | 21.0 |
| 2022-01-24 04:00 | 72.3 | 1.2 | 4.0 | 781.8 | 30.0 | 21.0 |
| 2022-01-24 03:00 | 68.3 | 1.1 | 5.1 | 845.7 | 28.0 | 18.1 |
| 2022-01-24 02:00 | 69.4 | 1.2 | 5.3 | 864.2 | 23.1 | 15.1 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
