Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 22:00 | 27.1 | 49.0 | 0.5 | - | 14.2 | 12.1 |
| 2024-04-20 21:00 | 39.6 | 38.4 | 0.9 | - | 19.0 | 13.7 |
| 2024-04-20 20:00 | 39.5 | 35.1 | 2.0 | - | 25.8 | 15.7 |
| 2024-04-20 19:00 | 65.0 | 3.8 | 7.1 | - | 30.2 | 20.3 |
| 2024-04-20 18:00 | 64.9 | 9.7 | 8.4 | - | 31.2 | 21.1 |
| 2024-04-20 17:00 | 64.3 | 13.3 | 6.7 | - | 27.7 | 17.0 |
| 2024-04-20 16:00 | 71.2 | 11.4 | 7.6 | - | 28.1 | 17.4 |
| 2024-04-20 15:00 | 64.1 | 17.4 | 6.1 | - | 25.0 | 15.3 |
| 2024-04-20 14:00 | 61.6 | 16.6 | 4.2 | - | 24.9 | 15.8 |
| 2024-04-20 13:00 | 56.3 | 24.9 | 4.6 | - | 23.6 | 13.6 |
| 2024-04-20 12:00 | 56.5 | 23.8 | 4.1 | - | 21.7 | 12.3 |
| 2024-04-20 11:00 | 53.5 | 23.7 | 4.2 | - | 22.9 | 14.2 |
| 2024-04-20 10:00 | 56.1 | 16.9 | 3.2 | - | 24.9 | 17.0 |
| 2024-04-20 09:00 | 56.6 | 15.9 | 2.7 | - | 22.6 | 14.4 |
| 2024-04-20 08:00 | 55.2 | 12.5 | 1.9 | - | 19.1 | 12.2 |
| 2024-04-20 07:00 | 44.2 | 19.2 | 1.3 | - | 17.2 | 11.3 |
| 2024-04-20 06:00 | 36.6 | 23.4 | 1.1 | - | 16.0 | 10.7 |
| 2024-04-20 05:00 | 22.7 | 37.2 | 1.1 | - | 16.4 | 10.8 |
| 2024-04-20 04:00 | 22.9 | 35.4 | 1.2 | - | 14.1 | 8.3 |
| 2024-04-20 03:00 | 22.6 | 36.2 | 1.2 | - | 15.5 | 9.4 |
| 2024-04-20 02:00 | 25.6 | 33.3 | 1.1 | - | 14.8 | 8.6 |
| 2024-04-20 01:00 | 30.6 | 30.4 | 1.1 | - | 15.0 | 8.8 |
| 2024-04-20 00:00 | 40.1 | 20.0 | 1.2 | - | 15.1 | 9.3 |
| 2024-04-19 23:00 | 40.9 | 20.3 | 1.3 | - | 14.8 | 9.4 |
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.
