Past 24 Hours Pollutant Concentration Summary
Tung Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-04 12:00 | 15.1 | 78.7 | 0.0 | 345.7 | 8.1 | - |
| 2024-05-04 11:00 | 16.7 | 75.4 | 0.1 | 320.0 | 14.1 | 12.8 |
| 2024-05-04 10:00 | 33.9 | 61.3 | 0.0 | 349.1 | 4.2 | - |
| 2024-05-04 09:00 | 19.7 | 79.6 | 0.0 | 354.5 | 6.3 | - |
| 2024-05-04 08:00 | 25.2 | 73.6 | 0.0 | 373.8 | 8.4 | 7.0 |
| 2024-05-04 07:00 | 12.3 | 86.7 | 0.0 | 365.8 | 12.1 | 10.9 |
| 2024-05-04 06:00 | 9.6 | 94.6 | 0.1 | 356.7 | 10.9 | 10.1 |
| 2024-05-04 05:00 | 11.0 | 94.3 | 0.0 | 324.0 | 12.5 | 10.0 |
| 2024-05-04 04:00 | 5.7 | 103.6 | 0.0 | 303.6 | 13.9 | 9.8 |
| 2024-05-04 03:00 | 6.0 | 102.5 | 0.0 | 316.0 | 24.0 | 13.3 |
| 2024-05-04 02:00 | 12.4 | 101.8 | 0.2 | 331.8 | 28.4 | 15.5 |
| 2024-05-04 01:00 | - | - | - | - | 28.1 | 14.4 |
| 2024-05-04 00:00 | 10.4 | 100.6 | 0.0 | 360.1 | 26.7 | 13.6 |
| 2024-05-03 23:00 | 10.5 | 106.4 | 0.3 | 355.7 | 29.1 | 13.5 |
| 2024-05-03 22:00 | 14.0 | 100.7 | 0.1 | 344.7 | 32.9 | 15.5 |
| 2024-05-03 21:00 | 16.1 | 95.4 | 0.0 | 358.0 | 27.5 | 13.3 |
| 2024-05-03 20:00 | 12.7 | 98.5 | 0.0 | 322.1 | 27.9 | 16.0 |
| 2024-05-03 19:00 | 20.0 | 94.7 | 0.1 | 353.1 | 24.3 | 12.8 |
| 2024-05-03 18:00 | 20.4 | 93.7 | 0.3 | 353.6 | 20.8 | 11.7 |
| 2024-05-03 17:00 | 16.2 | 103.0 | 0.4 | 328.2 | 23.7 | 15.3 |
| 2024-05-03 16:00 | 18.6 | 103.9 | 0.4 | 345.7 | 25.5 | 15.0 |
| 2024-05-03 15:00 | 22.4 | 105.1 | 0.2 | 376.6 | 29.3 | 16.6 |
| 2024-05-03 14:00 | 19.7 | 101.9 | 0.0 | 347.1 | 25.0 | 12.2 |
| 2024-05-03 13:00 | 20.8 | 96.6 | 0.2 | 363.3 | 27.7 | 12.8 |
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.