Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 14:00 | 10.4 | 98.5 | 0.0 | 479.3 | 6.1 | 5.9 |
| 2024-04-28 13:00 | 14.3 | 95.8 | 0.5 | 492.1 | 8.8 | 5.4 |
| 2024-04-28 12:00 | 17.3 | 85.7 | 0.4 | 484.7 | 9.8 | 5.1 |
| 2024-04-28 11:00 | 18.0 | 76.1 | 0.4 | 508.8 | 7.7 | 3.3 |
| 2024-04-28 10:00 | 12.8 | 89.3 | 0.5 | 466.8 | 5.0 | 1.7 |
| 2024-04-28 09:00 | 10.4 | 93.3 | 0.3 | 480.3 | 4.7 | 3.0 |
| 2024-04-28 08:00 | 12.7 | 74.4 | 0.6 | 476.8 | 12.8 | 6.2 |
| 2024-04-28 07:00 | 4.7 | 34.7 | 0.5 | 401.9 | 17.5 | 8.2 |
| 2024-04-28 06:00 | 3.9 | 32.6 | 0.3 | 401.2 | 15.5 | 6.8 |
| 2024-04-28 05:00 | 3.5 | 36.2 | 0.3 | 396.5 | 11.2 | 3.1 |
| 2024-04-28 04:00 | 4.4 | 35.8 | 0.7 | 385.0 | 6.7 | - |
| 2024-04-28 03:00 | 5.5 | 34.2 | 0.8 | 389.4 | 14.5 | 7.7 |
| 2024-04-28 02:00 | 3.7 | 40.9 | 0.2 | 367.9 | 17.8 | 8.4 |
| 2024-04-28 01:00 | - | - | - | - | 17.8 | 8.4 |
| 2024-04-28 00:00 | 5.3 | 37.8 | 0.5 | 431.3 | 15.7 | 6.5 |
| 2024-04-27 23:00 | 8.4 | 33.0 | 0.9 | 404.6 | 18.3 | 8.7 |
| 2024-04-27 22:00 | 13.0 | 25.5 | 0.5 | 425.4 | 17.8 | 8.2 |
| 2024-04-27 21:00 | 6.6 | 37.7 | 0.4 | 397.0 | 19.8 | 10.4 |
| 2024-04-27 20:00 | 5.1 | 41.1 | 0.7 | 422.0 | 18.2 | 9.0 |
| 2024-04-27 19:00 | 4.9 | 38.1 | 0.6 | 391.7 | 15.6 | 6.9 |
| 2024-04-27 18:00 | 4.4 | 38.4 | 0.9 | 392.9 | 11.9 | 3.6 |
| 2024-04-27 17:00 | 5.6 | 36.6 | 0.7 | 409.2 | 14.6 | 6.3 |
| 2024-04-27 16:00 | 5.2 | 38.0 | 0.5 | 389.5 | 16.8 | 8.2 |
| 2024-04-27 15:00 | 7.1 | 40.0 | 0.8 | 407.8 | 21.8 | 13.4 |
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.