Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-02-05 18:00 | 27.0 | 41.1 | 12.2 | 380.7 | 67.4 | 63.7 |
| 2023-02-05 17:00 | 39.0 | 29.4 | 13.9 | 461.2 | 54.6 | 40.5 |
| 2023-02-05 16:00 | 45.6 | 17.0 | 13.0 | 497.6 | 58.5 | 43.7 |
| 2023-02-05 15:00 | 42.8 | 27.6 | 12.1 | 459.8 | 24.8 | 18.0 |
| 2023-02-05 14:00 | 19.7 | 49.3 | 12.5 | 371.0 | 13.2 | 11.0 |
| 2023-02-05 13:00 | 12.1 | 58.6 | 12.0 | 333.3 | 12.3 | 10.2 |
| 2023-02-05 12:00 | 13.5 | 52.0 | 12.0 | 357.0 | 16.6 | 14.2 |
| 2023-02-05 11:00 | 11.2 | 51.7 | 12.2 | 371.9 | 18.2 | 15.6 |
| 2023-02-05 10:00 | 12.2 | 53.1 | 11.2 | 342.1 | 20.8 | 16.9 |
| 2023-02-05 09:00 | 12.1 | 52.7 | 12.1 | 339.4 | 18.3 | 14.1 |
| 2023-02-05 08:00 | 9.1 | 56.7 | 11.5 | 340.9 | 15.0 | 10.9 |
| 2023-02-05 07:00 | 9.7 | 54.9 | 11.7 | 347.1 | 17.7 | 14.0 |
| 2023-02-05 06:00 | 8.0 | 59.4 | 11.0 | 358.4 | 20.3 | 15.7 |
| 2023-02-05 05:00 | 8.2 | 60.9 | 12.0 | 356.0 | 27.7 | 21.5 |
| 2023-02-05 04:00 | 10.2 | 56.3 | 11.2 | 414.7 | 35.2 | 27.6 |
| 2023-02-05 03:00 | 12.4 | 54.7 | 11.6 | 406.9 | 38.7 | 28.2 |
| 2023-02-05 02:00 | 14.5 | 53.6 | 11.3 | 398.4 | 40.1 | 25.1 |
| 2023-02-05 01:00 | - | - | - | - | 36.0 | 22.1 |
| 2023-02-05 00:00 | 18.1 | 59.3 | 11.4 | 366.4 | 32.9 | 22.4 |
| 2023-02-04 23:00 | 28.3 | 47.5 | 10.8 | 365.6 | 26.2 | 19.0 |
| 2023-02-04 22:00 | 28.7 | 46.4 | 11.8 | 361.4 | 18.1 | 13.1 |
| 2023-02-04 21:00 | 32.4 | 39.0 | 11.2 | 364.0 | 14.6 | 10.4 |
| 2023-02-04 20:00 | 25.3 | 56.2 | 11.8 | 311.5 | 10.9 | 6.8 |
| 2023-02-04 19:00 | - | - | - | - | 12.3 | 8.1 |
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.
