Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-15 20:00 | 31.6 | 25.1 | 3.2 | 525.8 | 23.0 | 9.1 |
| 2021-06-15 19:00 | 28.4 | 28.1 | 3.3 | 504.7 | 26.0 | 11.9 |
| 2021-06-15 18:00 | 22.9 | 34.4 | 3.4 | 491.7 | 25.0 | 8.1 |
| 2021-06-15 17:00 | 24.7 | 41.9 | 3.3 | 502.6 | 21.1 | 9.9 |
| 2021-06-15 16:00 | 25.2 | 43.1 | 3.4 | 500.6 | 28.9 | 9.0 |
| 2021-06-15 15:00 | 27.4 | 42.0 | 3.3 | 498.4 | 23.1 | 11.9 |
| 2021-06-15 14:00 | 20.0 | 47.0 | 3.2 | 495.0 | 12.2 | 11.0 |
| 2021-06-15 13:00 | 23.8 | 37.7 | 3.4 | 501.9 | 21.8 | 12.9 |
| 2021-06-15 12:00 | 24.1 | 41.3 | 3.3 | 506.1 | 15.1 | 11.1 |
| 2021-06-15 11:00 | 25.9 | 37.5 | 3.4 | 529.3 | 18.9 | 9.1 |
| 2021-06-15 10:00 | 25.8 | 35.6 | 3.5 | 555.0 | 23.9 | 10.0 |
| 2021-06-15 09:00 | 30.4 | 26.2 | 3.6 | 545.4 | 15.2 | 7.1 |
| 2021-06-15 08:00 | 30.7 | 21.3 | 3.5 | 552.8 | 16.0 | 5.1 |
| 2021-06-15 07:00 | 34.7 | 15.5 | 3.7 | 510.6 | 15.0 | 4.0 |
| 2021-06-15 06:00 | 23.6 | 24.5 | 3.3 | 514.0 | 20.9 | 5.0 |
| 2021-06-15 05:00 | 15.6 | 32.0 | 3.0 | 487.8 | 18.1 | 7.0 |
| 2021-06-15 04:00 | 9.4 | 38.2 | 3.0 | 464.1 | 12.1 | 3.1 |
| 2021-06-15 03:00 | 12.1 | 35.5 | 3.2 | 484.5 | 12.0 | 4.0 |
| 2021-06-15 02:00 | 18.6 | 30.0 | 3.1 | 476.1 | 13.0 | 7.0 |
| 2021-06-15 01:00 | 24.8 | 26.7 | 3.1 | 468.9 | 18.9 | 8.0 |
| 2021-06-15 00:00 | 32.5 | 19.3 | 3.0 | 480.5 | 19.0 | 4.1 |
| 2021-06-14 23:00 | 26.8 | 24.6 | 3.1 | 495.3 | 14.1 | 3.0 |
| 2021-06-14 22:00 | 27.6 | 24.0 | 3.0 | 510.2 | 20.9 | 6.0 |
| 2021-06-14 21:00 | 20.3 | 34.8 | 3.0 | 508.4 | 23.9 | 9.0 |
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.
