Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-04-02 20:00 | 13.0 | 84.5 | 1.1 | 512.1 | 23.9 | 16.6 |
| 2023-04-02 19:00 | 16.0 | 79.4 | 1.1 | 557.6 | 22.2 | 15.8 |
| 2023-04-02 18:00 | 16.9 | 74.1 | 1.4 | 565.3 | 19.7 | 15.6 |
| 2023-04-02 17:00 | 19.4 | 69.5 | 1.4 | 578.5 | 17.5 | 13.4 |
| 2023-04-02 16:00 | 15.3 | 70.8 | 1.2 | 546.8 | 14.4 | 10.4 |
| 2023-04-02 15:00 | 18.7 | 63.7 | 1.3 | 495.2 | 20.6 | 14.1 |
| 2023-04-02 14:00 | 21.0 | 58.7 | 1.1 | 517.0 | 18.5 | 11.1 |
| 2023-04-02 13:00 | 17.3 | 62.7 | 1.1 | 514.8 | 14.7 | 10.0 |
| 2023-04-02 12:00 | 11.4 | 67.9 | 1.4 | 497.9 | 10.6 | 9.0 |
| 2023-04-02 11:00 | 12.9 | 68.9 | 1.4 | 557.7 | 10.9 | 8.7 |
| 2023-04-02 10:00 | 16.0 | 60.4 | 1.1 | 556.0 | 13.1 | 9.8 |
| 2023-04-02 09:00 | 17.4 | 57.2 | 1.2 | 517.0 | 18.3 | 14.6 |
| 2023-04-02 08:00 | 17.1 | 58.8 | 1.0 | 542.3 | 15.0 | 10.9 |
| 2023-04-02 07:00 | 12.9 | 73.4 | 1.1 | 576.6 | 13.3 | 9.8 |
| 2023-04-02 06:00 | 12.1 | 75.9 | 1.1 | 570.5 | 14.9 | 11.5 |
| 2023-04-02 05:00 | 6.3 | 78.4 | 1.1 | 530.4 | 10.4 | 8.6 |
| 2023-04-02 04:00 | 10.6 | 74.3 | 1.1 | 531.2 | 7.8 | 6.9 |
| 2023-04-02 03:00 | 12.2 | 71.0 | 1.2 | 519.8 | 7.8 | 7.3 |
| 2023-04-02 02:00 | 13.6 | 75.9 | 1.3 | 537.9 | 4.6 | 4.5 |
| 2023-04-02 01:00 | - | - | - | - | 9.0 | 7.7 |
| 2023-04-02 00:00 | 29.5 | 61.1 | 0.8 | 546.4 | 17.4 | 13.6 |
| 2023-04-01 23:00 | 22.8 | 68.1 | 1.4 | 604.6 | 22.3 | 17.9 |
| 2023-04-01 22:00 | 29.7 | 60.6 | 1.1 | 626.4 | 22.5 | 17.6 |
| 2023-04-01 21:00 | 52.5 | 42.6 | 1.3 | 626.1 | 25.0 | 19.2 |
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.
