Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-03-23 05:00 | 42.0 | 2.9 | 13.2 | - | 19.8 | 13.5 |
| 2023-03-23 04:00 | 46.5 | 1.7 | 15.8 | - | 22.7 | 15.7 |
| 2023-03-23 03:00 | 43.0 | 4.3 | 15.2 | - | 22.5 | 16.0 |
| 2023-03-23 02:00 | 46.3 | 3.5 | 14.1 | - | 20.1 | 13.7 |
| 2023-03-23 01:00 | 48.2 | 2.3 | 13.0 | - | 18.1 | 12.2 |
| 2023-03-23 00:00 | 49.1 | 1.9 | 13.9 | - | 18.7 | 13.1 |
| 2023-03-22 23:00 | 49.6 | 1.9 | 15.1 | - | 19.4 | 12.8 |
| 2023-03-22 22:00 | 45.6 | 2.2 | 12.8 | - | 21.3 | 14.1 |
| 2023-03-22 21:00 | 49.2 | 2.9 | 13.9 | - | 24.8 | 16.0 |
| 2023-03-22 20:00 | 58.6 | 1.6 | 15.7 | - | 30.3 | 18.6 |
| 2023-03-22 19:00 | 60.5 | 1.1 | 13.7 | - | 29.1 | 16.3 |
| 2023-03-22 18:00 | 59.9 | 2.4 | 12.1 | - | 25.1 | 13.4 |
| 2023-03-22 17:00 | 58.2 | 2.3 | 11.8 | - | 26.6 | 14.8 |
| 2023-03-22 16:00 | 57.2 | 2.7 | 12.0 | - | 26.3 | 14.0 |
| 2023-03-22 15:00 | 49.3 | 4.9 | 11.2 | - | 20.5 | 9.2 |
| 2023-03-22 14:00 | 47.1 | 5.6 | 11.4 | - | 21.2 | 11.6 |
| 2023-03-22 13:00 | 51.3 | 5.1 | 12.4 | - | 19.9 | 11.6 |
| 2023-03-22 12:00 | 53.6 | 4.9 | 14.1 | - | 23.3 | 13.9 |
| 2023-03-22 11:00 | 54.7 | 2.8 | 16.5 | - | 18.5 | 8.8 |
| 2023-03-22 10:00 | 53.9 | 3.1 | 15.3 | - | 19.2 | 11.5 |
| 2023-03-22 09:00 | 55.6 | 2.1 | 17.1 | - | 15.5 | 8.5 |
| 2023-03-22 08:00 | 54.3 | 2.1 | 15.8 | - | 19.1 | 12.9 |
| 2023-03-22 07:00 | 50.7 | 3.0 | 12.2 | - | 16.0 | 10.5 |
| 2023-03-22 06:00 | 50.1 | 4.8 | 12.0 | - | 17.0 | 10.9 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
