Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-02-07 16:00 | 59.2 | 18.9 | 5.8 | 497.8 | 20.0 | 11.9 |
| 2023-02-07 15:00 | 51.9 | 24.1 | 5.3 | 493.6 | 26.8 | 12.0 |
| 2023-02-07 14:00 | 62.5 | 13.7 | 5.9 | 582.5 | 35.7 | 13.9 |
| 2023-02-07 13:00 | 62.3 | 9.4 | 4.9 | 650.1 | 39.9 | 18.8 |
| 2023-02-07 12:00 | 62.4 | 6.2 | 4.5 | 745.4 | 31.3 | 14.2 |
| 2023-02-07 11:00 | 62.5 | 5.0 | 4.3 | 680.7 | 29.1 | 14.0 |
| 2023-02-07 10:00 | 60.7 | 2.8 | 4.9 | 695.8 | 26.1 | 15.0 |
| 2023-02-07 09:00 | 60.3 | 1.8 | 5.3 | 814.3 | 26.0 | 13.1 |
| 2023-02-07 08:00 | 64.5 | 1.2 | 5.6 | 803.7 | 24.1 | 11.1 |
| 2023-02-07 07:00 | 63.7 | 0.8 | 4.7 | 653.2 | 31.7 | 12.0 |
| 2023-02-07 06:00 | 63.3 | 1.8 | 4.1 | 681.1 | 37.8 | 12.0 |
| 2023-02-07 05:00 | 64.0 | 3.3 | 3.8 | 582.9 | 24.5 | 12.0 |
| 2023-02-07 04:00 | 68.9 | 1.0 | 3.8 | 584.1 | 31.7 | 13.9 |
| 2023-02-07 03:00 | 72.3 | 0.8 | 3.9 | 580.5 | 27.2 | 14.0 |
| 2023-02-07 02:00 | 65.8 | 5.0 | 3.4 | 554.8 | 27.0 | 12.1 |
| 2023-02-07 01:00 | 49.7 | 21.6 | 2.7 | 543.9 | 27.0 | 15.9 |
| 2023-02-07 00:00 | 70.8 | 6.2 | 4.1 | 569.6 | 31.8 | 17.0 |
| 2023-02-06 23:00 | 81.2 | 0.7 | 5.7 | 635.7 | 39.7 | 17.0 |
| 2023-02-06 22:00 | 83.6 | 1.0 | 5.2 | 672.9 | 38.1 | 16.0 |
| 2023-02-06 21:00 | 84.2 | 0.8 | 4.6 | 606.0 | 31.2 | 17.9 |
| 2023-02-06 20:00 | 81.8 | 2.7 | 3.7 | 576.7 | 30.0 | 13.2 |
| 2023-02-06 19:00 | 77.5 | 8.8 | 3.4 | 575.2 | 39.7 | 29.4 |
| 2023-02-06 18:00 | 83.5 | 17.9 | 4.5 | 637.1 | 33.2 | 18.4 |
| 2023-02-06 17:00 | 63.9 | 36.3 | 3.8 | 581.1 | 24.3 | 14.1 |
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.
