Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-12-08 09:00 | 47.9 | 16.1 | 7.1 | 561.4 | 19.1 | 11.2 |
| 2023-12-08 08:00 | 48.9 | 16.8 | 7.1 | 498.0 | 16.0 | 9.1 |
| 2023-12-08 07:00 | 35.6 | 32.9 | 6.4 | 491.5 | 16.8 | 11.3 |
| 2023-12-08 06:00 | 18.0 | 45.5 | 6.8 | 460.0 | 15.6 | 10.0 |
| 2023-12-08 05:00 | 14.7 | 49.1 | 6.2 | 470.8 | 14.3 | 8.7 |
| 2023-12-08 04:00 | 14.7 | 54.4 | 6.7 | 458.1 | 13.1 | 7.6 |
| 2023-12-08 03:00 | 16.7 | 59.5 | 6.4 | 472.7 | 13.1 | 7.8 |
| 2023-12-08 02:00 | 20.7 | 57.1 | 7.0 | 464.0 | 16.0 | 9.9 |
| 2023-12-08 01:00 | - | - | - | - | 19.3 | 12.2 |
| 2023-12-08 00:00 | 34.4 | 36.7 | 6.8 | 516.9 | 25.0 | 15.8 |
| 2023-12-07 23:00 | 38.2 | 38.4 | 6.6 | 538.3 | 27.0 | 17.7 |
| 2023-12-07 22:00 | 34.9 | 42.9 | 6.9 | 506.8 | 24.5 | 15.1 |
| 2023-12-07 21:00 | 45.5 | 40.9 | 6.9 | 547.3 | 22.8 | 13.2 |
| 2023-12-07 20:00 | 47.3 | 39.9 | 7.1 | 554.8 | 20.0 | 11.5 |
| 2023-12-07 19:00 | 50.2 | 24.1 | 7.1 | 514.2 | 21.6 | 11.4 |
| 2023-12-07 18:00 | 70.4 | 17.0 | 8.0 | 557.8 | 33.4 | 15.5 |
| 2023-12-07 17:00 | 62.5 | 83.5 | 8.8 | 586.8 | 35.0 | 13.8 |
| 2023-12-07 16:00 | 56.6 | 103.8 | 9.0 | 556.2 | - | - |
| 2023-12-07 15:00 | 68.3 | 79.2 | 9.7 | 551.9 | - | - |
| 2023-12-07 14:00 | 65.3 | 56.8 | 9.4 | 515.8 | - | - |
| 2023-12-07 13:00 | 54.8 | 48.7 | 8.7 | 514.9 | - | - |
| 2023-12-07 12:00 | 47.5 | 45.9 | 9.9 | 481.3 | - | - |
| 2023-12-07 11:00 | 47.0 | 32.9 | 9.3 | 512.3 | - | - |
| 2023-12-07 10:00 | 42.4 | 17.2 | 8.0 | 555.3 | - | 0.1 |
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.