Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-23 12:00 | 44.0 | 45.7 | 4.9 | - | 16.4 | 10.7 |
| 2023-09-23 11:00 | 45.5 | 35.9 | 5.4 | - | 15.0 | 9.9 |
| 2023-09-23 10:00 | 33.3 | 40.7 | 5.3 | - | 13.1 | 8.5 |
| 2023-09-23 09:00 | 41.0 | 32.9 | 5.7 | - | 16.6 | 12.1 |
| 2023-09-23 08:00 | 43.3 | 34.5 | 5.9 | - | 16.8 | 12.4 |
| 2023-09-23 07:00 | 31.0 | 51.2 | 5.5 | - | 17.2 | 13.3 |
| 2023-09-23 06:00 | 14.0 | 60.2 | 5.1 | - | 14.3 | 10.2 |
| 2023-09-23 05:00 | 12.8 | 62.0 | 4.7 | - | 12.7 | 9.1 |
| 2023-09-23 04:00 | 15.5 | 60.9 | 4.6 | - | 15.3 | 11.5 |
| 2023-09-23 03:00 | 19.4 | 66.3 | 4.4 | - | 13.0 | 9.2 |
| 2023-09-23 02:00 | 20.8 | 72.6 | 4.4 | - | 15.9 | 12.0 |
| 2023-09-23 01:00 | 28.0 | 69.0 | 4.2 | - | 15.5 | 11.4 |
| 2023-09-23 00:00 | 19.4 | 81.0 | 4.4 | - | 18.3 | 14.2 |
| 2023-09-22 23:00 | 24.6 | 81.3 | 4.6 | - | 18.0 | 13.6 |
| 2023-09-22 22:00 | 25.4 | 83.9 | 3.6 | - | 21.1 | 16.6 |
| 2023-09-22 21:00 | 29.2 | 90.5 | 4.3 | - | 25.2 | 19.2 |
| 2023-09-22 20:00 | 54.1 | 77.9 | 4.8 | - | 23.5 | 17.5 |
| 2023-09-22 19:00 | 69.5 | 75.3 | 4.7 | - | 25.0 | 19.2 |
| 2023-09-22 18:00 | 71.8 | 76.5 | 4.8 | - | 30.1 | 22.0 |
| 2023-09-22 17:00 | 109.2 | 38.3 | 10.5 | - | 30.5 | 20.9 |
| 2023-09-22 16:00 | 128.2 | 20.7 | 15.6 | - | 24.2 | 17.1 |
| 2023-09-22 15:00 | 90.1 | 49.8 | 8.4 | - | 23.0 | 15.4 |
| 2023-09-22 14:00 | 89.2 | 46.2 | 11.0 | - | 25.3 | 16.6 |
| 2023-09-22 13:00 | 87.2 | 44.4 | 9.8 | - | 26.9 | 18.4 |
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.
