Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-22 00:00 | 37.3 | 20.2 | 5.7 | 446.9 | 13.9 | 11.1 |
| 2023-09-21 23:00 | 35.1 | 17.4 | 5.6 | 424.1 | 14.9 | 11.6 |
| 2023-09-21 22:00 | 27.7 | 34.4 | 5.5 | 424.0 | 16.5 | 13.7 |
| 2023-09-21 21:00 | 28.6 | 33.3 | 5.6 | 392.6 | 18.0 | 13.8 |
| 2023-09-21 20:00 | 40.8 | 41.7 | 6.3 | 443.0 | 19.8 | 14.0 |
| 2023-09-21 19:00 | 45.5 | 70.5 | 6.6 | 452.7 | 20.8 | 13.6 |
| 2023-09-21 18:00 | 30.8 | 115.0 | 7.4 | 378.2 | 20.1 | 13.1 |
| 2023-09-21 17:00 | 32.6 | 128.2 | 7.3 | 403.0 | 17.0 | 11.1 |
| 2023-09-21 16:00 | 35.7 | 93.1 | 8.3 | 374.7 | 11.9 | 7.5 |
| 2023-09-21 15:00 | 28.7 | 80.5 | 8.3 | 407.0 | 13.8 | 9.7 |
| 2023-09-21 14:00 | 33.9 | 77.3 | 11.3 | 355.9 | 12.5 | 8.2 |
| 2023-09-21 13:00 | 40.1 | 56.6 | 16.8 | 378.7 | 13.2 | 8.1 |
| 2023-09-21 12:00 | 30.3 | 54.6 | 11.8 | 359.0 | 12.4 | 8.0 |
| 2023-09-21 11:00 | 33.8 | 41.8 | 10.7 | 443.2 | 11.9 | 7.0 |
| 2023-09-21 10:00 | 36.2 | 25.1 | 10.4 | 471.8 | 8.8 | 4.1 |
| 2023-09-21 09:00 | 29.9 | 15.7 | 6.3 | 337.4 | 8.0 | 5.6 |
| 2023-09-21 08:00 | 18.2 | 10.6 | 5.9 | 363.1 | 6.4 | 4.7 |
| 2023-09-21 07:00 | 14.6 | 6.9 | 5.7 | 332.6 | 5.3 | 3.2 |
| 2023-09-21 06:00 | 14.6 | 8.2 | 5.4 | 298.0 | 4.2 | 2.3 |
| 2023-09-21 05:00 | 14.5 | 8.2 | 5.3 | 347.2 | 5.9 | 3.8 |
| 2023-09-21 04:00 | 14.8 | 10.5 | 5.6 | 311.3 | 4.1 | 2.7 |
| 2023-09-21 03:00 | 10.3 | 11.9 | 5.6 | 318.7 | 3.6 | 1.7 |
| 2023-09-21 02:00 | 15.1 | 13.1 | 5.9 | 367.8 | 4.9 | 2.9 |
| 2023-09-21 01:00 | - | - | - | - | 5.0 | 3.1 |
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.
