Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-27 07:00 | 51.8 | 22.4 | 1.7 | 808.2 | 27.0 | 22.0 |
| 2022-01-27 06:00 | 33.9 | 41.0 | 1.6 | 818.1 | 29.9 | 23.9 |
| 2022-01-27 05:00 | 23.2 | 54.3 | 1.5 | 728.0 | 31.0 | 20.1 |
| 2022-01-27 04:00 | 19.2 | 63.6 | 1.3 | 709.7 | 33.9 | 23.9 |
| 2022-01-27 03:00 | 29.0 | 51.7 | 1.5 | 749.2 | 34.0 | 26.9 |
| 2022-01-27 02:00 | 53.8 | 24.8 | 1.8 | 836.4 | 38.9 | 32.8 |
| 2022-01-27 01:00 | 73.6 | 10.4 | 2.4 | 901.7 | 36.1 | 33.0 |
| 2022-01-27 00:00 | 83.8 | 10.5 | 3.3 | 908.8 | 39.9 | 32.0 |
| 2022-01-26 23:00 | 93.0 | 7.8 | 3.1 | 898.9 | 44.9 | 30.1 |
| 2022-01-26 22:00 | 97.9 | 4.6 | 4.2 | 859.4 | 38.1 | 31.0 |
| 2022-01-26 21:00 | 102.1 | 1.5 | 6.8 | 867.0 | 38.0 | 28.1 |
| 2022-01-26 20:00 | 102.2 | 2.1 | 6.5 | 821.0 | 40.0 | 24.1 |
| 2022-01-26 19:00 | 106.9 | 1.9 | 7.7 | 804.6 | 43.0 | 23.0 |
| 2022-01-26 18:00 | 95.8 | 11.6 | 7.0 | 774.2 | 41.0 | 24.0 |
| 2022-01-26 17:00 | 82.5 | 25.4 | 4.1 | 769.6 | 42.0 | 21.1 |
| 2022-01-26 16:00 | 79.0 | 27.9 | 4.5 | 767.7 | 37.1 | 27.8 |
| 2022-01-26 15:00 | 65.7 | 37.9 | 3.6 | 747.6 | 40.9 | 24.1 |
| 2022-01-26 14:00 | 59.3 | 41.2 | 3.9 | 758.8 | 44.9 | 24.0 |
| 2022-01-26 13:00 | 65.0 | 26.1 | 4.8 | 794.7 | 40.1 | 24.0 |
| 2022-01-26 12:00 | 60.1 | 26.3 | 3.1 | 810.0 | 32.1 | 25.0 |
| 2022-01-26 11:00 | 62.0 | 19.8 | 3.9 | 837.6 | 26.1 | 21.1 |
| 2022-01-26 10:00 | 48.0 | 24.5 | 2.6 | 821.2 | 31.9 | 18.1 |
| 2022-01-26 09:00 | 43.8 | 18.3 | 2.1 | 859.8 | 29.1 | 26.7 |
| 2022-01-26 08:00 | 55.9 | 4.4 | 3.8 | 996.9 | 20.2 | 17.3 |
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.
