Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-04 05:00 | 11.6 | 100.6 | 1.1 | - | 12.9 | 8.3 |
| 2024-05-04 04:00 | 12.0 | 103.7 | 1.5 | - | 19.1 | 10.9 |
| 2024-05-04 03:00 | 10.8 | 108.8 | 1.2 | - | 25.6 | 13.1 |
| 2024-05-04 02:00 | 12.2 | 112.5 | 1.5 | - | 28.3 | 13.6 |
| 2024-05-04 01:00 | 25.1 | 101.2 | 1.3 | - | 29.3 | 16.1 |
| 2024-05-04 00:00 | 34.0 | 90.7 | 1.5 | - | 31.9 | 14.8 |
| 2024-05-03 23:00 | 34.0 | 92.0 | 1.1 | - | 35.6 | 12.8 |
| 2024-05-03 22:00 | 37.2 | 88.5 | 1.2 | - | 33.8 | 12.4 |
| 2024-05-03 21:00 | 42.5 | 89.0 | 1.5 | - | 32.0 | 13.2 |
| 2024-05-03 20:00 | 70.2 | 62.2 | 1.8 | - | 34.4 | 15.6 |
| 2024-05-03 19:00 | 62.6 | 65.6 | 1.5 | - | 34.9 | 15.9 |
| 2024-05-03 18:00 | 67.5 | 66.2 | 1.7 | - | 29.0 | 13.2 |
| 2024-05-03 17:00 | 68.2 | 70.8 | 1.8 | - | 28.8 | 16.3 |
| 2024-05-03 16:00 | 65.2 | 76.7 | 2.7 | - | 30.4 | 17.5 |
| 2024-05-03 15:00 | - | - | - | - | 27.5 | 14.9 |
| 2024-05-03 14:00 | - | - | - | - | 28.6 | 15.4 |
| 2024-05-03 13:00 | - | - | - | - | 27.1 | 11.9 |
| 2024-05-03 12:00 | - | - | - | - | 30.0 | 13.5 |
| 2024-05-03 11:00 | - | - | - | - | 30.8 | 18.3 |
| 2024-05-03 10:00 | 49.8 | 64.5 | 0.9 | - | 28.2 | 12.2 |
| 2024-05-03 09:00 | 55.5 | 61.3 | 0.9 | - | 23.6 | 11.9 |
| 2024-05-03 08:00 | 45.4 | 68.8 | 0.6 | - | 20.2 | 10.2 |
| 2024-05-03 07:00 | 33.1 | 85.2 | 0.6 | - | 22.7 | 13.7 |
| 2024-05-03 06:00 | 15.3 | 104.0 | 0.5 | - | 22.2 | 13.5 |
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.