Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-25 21:00 | 13.4 | 26.1 | 0.7 | 413.9 | 6.6 | 3.9 |
| 2024-04-25 20:00 | 9.9 | 31.5 | 1.0 | 421.2 | 8.4 | 7.1 |
| 2024-04-25 19:00 | 12.3 | 29.5 | 0.8 | 429.9 | 9.9 | 6.8 |
| 2024-04-25 18:00 | 16.1 | 27.5 | 0.5 | 382.4 | 11.5 | 2.6 |
| 2024-04-25 17:00 | 15.9 | 30.8 | 0.3 | 418.9 | 13.4 | 1.1 |
| 2024-04-25 16:00 | 16.4 | 40.6 | 1.1 | 403.4 | 6.0 | 1.8 |
| 2024-04-25 15:00 | 23.1 | 59.6 | 0.9 | 432.0 | 11.2 | 6.9 |
| 2024-04-25 14:00 | 21.0 | 87.3 | 0.3 | 438.8 | 12.7 | 9.2 |
| 2024-04-25 13:00 | 11.8 | 41.0 | 0.8 | 438.6 | 10.9 | 8.8 |
| 2024-04-25 12:00 | 12.1 | 31.8 | 0.8 | 419.4 | 12.6 | 9.9 |
| 2024-04-25 11:00 | 11.0 | 34.3 | 1.1 | 408.4 | 14.4 | 12.3 |
| 2024-04-25 10:00 | 10.2 | 36.6 | 0.3 | 446.5 | 6.3 | 4.2 |
| 2024-04-25 09:00 | 10.2 | 40.7 | 0.4 | 421.3 | 10.7 | 8.1 |
| 2024-04-25 08:00 | 9.0 | 43.9 | 1.0 | 416.6 | 12.1 | 8.7 |
| 2024-04-25 07:00 | 4.7 | 50.5 | 0.3 | 428.4 | 13.3 | 9.2 |
| 2024-04-25 06:00 | 4.6 | 55.4 | 1.0 | 436.2 | 12.8 | 8.5 |
| 2024-04-25 05:00 | 7.8 | 59.9 | 0.6 | 454.0 | 14.8 | 8.3 |
| 2024-04-25 04:00 | 9.9 | 63.3 | 0.6 | 450.3 | 14.7 | 8.5 |
| 2024-04-25 03:00 | 10.8 | 64.3 | 1.6 | 434.4 | 17.2 | 9.5 |
| 2024-04-25 02:00 | 9.2 | 55.0 | 0.1 | 429.8 | 12.9 | 7.9 |
| 2024-04-25 01:00 | 7.7 | 58.1 | 1.0 | 459.9 | 16.3 | 10.6 |
| 2024-04-25 00:00 | 24.4 | 47.1 | 0.9 | 514.3 | 18.4 | 13.1 |
| 2024-04-24 23:00 | 14.7 | 57.1 | 0.4 | 486.9 | 17.3 | 10.5 |
| 2024-04-24 22:00 | 27.5 | 43.7 | 1.2 | 512.4 | 21.6 | 13.9 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.