Tuen Mun
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-05-30 02:00 | 26.0 | 39.0 | 2.2 | 504.8 | 29.0 | 13.0 |
| 2023-05-30 01:00 | 39.1 | 35.7 | 2.9 | 569.3 | 28.0 | 14.0 |
| 2023-05-30 00:00 | 32.6 | 44.4 | 2.9 | 546.8 | 27.0 | 15.0 |
| 2023-05-29 23:00 | 33.3 | 48.3 | 2.3 | 524.6 | 30.9 | 15.0 |
| 2023-05-29 22:00 | 44.1 | 44.8 | 2.8 | 559.0 | 32.9 | 16.9 |
| 2023-05-29 21:00 | 29.2 | 87.7 | 3.3 | 559.5 | 41.7 | 17.0 |
| 2023-05-29 20:00 | 24.9 | 128.5 | 3.4 | 543.5 | 48.8 | 19.9 |
| 2023-05-29 19:00 | 51.4 | 111.2 | 2.6 | 552.5 | 47.1 | 22.9 |
| 2023-05-29 18:00 | 32.3 | 181.9 | - | 521.7 | 53.8 | 22.0 |
| 2023-05-29 17:00 | 29.8 | 203.1 | - | 559.8 | 47.2 | 22.0 |
| 2023-05-29 16:00 | 27.4 | 178.1 | - | 526.6 | 47.0 | 22.0 |
| 2023-05-29 15:00 | 24.3 | 167.7 | - | 515.3 | 45.1 | 12.3 |
| 2023-05-29 14:00 | 18.4 | 139.6 | - | 454.7 | 39.2 | 15.9 |
| 2023-05-29 13:00 | 23.5 | 104.0 | - | 456.5 | 45.8 | 18.9 |
| 2023-05-29 12:00 | 45.2 | 61.1 | - | 530.0 | 44.1 | 22.9 |
| 2023-05-29 11:00 | 48.6 | 46.9 | 7.3 | 496.5 | 34.3 | 17.2 |
| 2023-05-29 10:00 | 35.6 | 60.8 | 8.3 | 457.5 | 35.9 | 14.1 |
| 2023-05-29 09:00 | 36.1 | 54.2 | 6.5 | 531.7 | 30.2 | 15.0 |
| 2023-05-29 08:00 | 36.5 | 43.9 | 4.8 | 542.9 | 34.8 | 14.0 |
| 2023-05-29 07:00 | 46.7 | 31.2 | 6.3 | 502.6 | 29.2 | 12.1 |
| 2023-05-29 06:00 | 52.0 | 17.8 | 5.4 | 565.3 | 28.0 | 13.9 |
| 2023-05-29 05:00 | 47.0 | 24.6 | 5.4 | 504.9 | 30.9 | 14.0 |
| 2023-05-29 04:00 | 21.0 | 60.0 | 5.0 | 414.4 | 33.9 | 14.0 |
| 2023-05-29 03:00 | 51.2 | 37.3 | 6.5 | 472.3 | 34.0 | 11.1 |
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.
