Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-25 01:00 | - | - | - | - | 10.5 | 5.5 |
| 2022-01-25 00:00 | 12.9 | 64.6 | 7.3 | 430.1 | 10.8 | 7.0 |
| 2022-01-24 23:00 | 13.2 | 61.8 | 7.3 | 455.1 | 9.6 | 7.1 |
| 2022-01-24 22:00 | 18.5 | 60.0 | 7.3 | 453.5 | 15.3 | 12.8 |
| 2022-01-24 21:00 | 26.5 | 50.9 | 7.3 | 510.8 | 18.4 | 16.3 |
| 2022-01-24 20:00 | 26.2 | 57.3 | 7.7 | 531.5 | 21.4 | 17.9 |
| 2022-01-24 19:00 | 34.7 | 50.6 | 7.6 | 553.6 | 24.1 | 20.3 |
| 2022-01-24 18:00 | 36.2 | 50.1 | 7.5 | 520.7 | 21.3 | 17.7 |
| 2022-01-24 17:00 | 36.2 | 48.5 | 8.7 | 523.6 | 29.7 | 25.7 |
| 2022-01-24 16:00 | 73.4 | 23.8 | 14.6 | 672.4 | 49.8 | 42.5 |
| 2022-01-24 15:00 | 82.9 | 4.5 | 13.5 | 676.9 | 37.0 | 31.2 |
| 2022-01-24 14:00 | 52.7 | 32.2 | 11.2 | 564.8 | 11.0 | 9.6 |
| 2022-01-24 13:00 | 40.5 | 39.0 | 9.5 | 498.3 | 14.0 | 11.7 |
| 2022-01-24 12:00 | 41.0 | 29.7 | 9.8 | 515.7 | 19.8 | 17.4 |
| 2022-01-24 11:00 | 51.3 | 26.7 | 10.9 | 550.8 | 30.0 | 26.2 |
| 2022-01-24 10:00 | 41.7 | 3.6 | 10.1 | 691.0 | 23.3 | 20.9 |
| 2022-01-24 09:00 | 37.2 | 4.6 | 9.6 | 667.6 | 23.4 | 20.6 |
| 2022-01-24 08:00 | 33.7 | 2.9 | 9.1 | 573.3 | 24.0 | 20.2 |
| 2022-01-24 07:00 | 41.0 | 2.1 | 9.0 | 563.2 | 24.7 | 21.6 |
| 2022-01-24 06:00 | 48.8 | 2.3 | 9.3 | 587.9 | 23.5 | 19.6 |
| 2022-01-24 05:00 | 44.0 | 3.5 | 9.3 | 526.9 | 21.0 | 17.8 |
| 2022-01-24 04:00 | 54.5 | 2.2 | 8.9 | 522.5 | 16.8 | 13.9 |
| 2022-01-24 03:00 | 49.2 | 2.3 | 9.0 | 561.9 | 16.1 | 12.4 |
| 2022-01-24 02:00 | 52.2 | 3.7 | 9.7 | 587.4 | 17.4 | 12.9 |
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.
