Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-25 00:00 | 31.5 | 47.6 | 6.2 | - | 13.3 | 8.4 |
| 2022-01-24 23:00 | 28.5 | 48.8 | 6.5 | - | 14.6 | 11.4 |
| 2022-01-24 22:00 | 33.7 | 48.7 | 6.3 | - | 13.0 | 10.4 |
| 2022-01-24 21:00 | 33.9 | 51.9 | 5.9 | - | 19.4 | 17.4 |
| 2022-01-24 20:00 | 45.2 | 42.2 | 5.9 | - | 29.1 | 26.4 |
| 2022-01-24 19:00 | 47.9 | 47.2 | 6.0 | - | 27.6 | 24.7 |
| 2022-01-24 18:00 | 50.0 | 49.3 | 6.4 | - | 21.0 | 18.5 |
| 2022-01-24 17:00 | 39.2 | 46.5 | 6.3 | - | 16.9 | 15.3 |
| 2022-01-24 16:00 | 40.4 | 45.9 | 6.4 | - | 18.0 | 15.9 |
| 2022-01-24 15:00 | 43.3 | 48.0 | 6.9 | - | 20.8 | 17.0 |
| 2022-01-24 14:00 | 49.6 | 37.8 | 7.4 | - | 14.9 | 12.7 |
| 2022-01-24 13:00 | 36.4 | 38.5 | 8.0 | - | 14.5 | 11.8 |
| 2022-01-24 12:00 | 55.9 | 21.2 | 9.2 | - | 18.4 | 15.0 |
| 2022-01-24 11:00 | 57.1 | 14.0 | 9.2 | - | 25.1 | 22.2 |
| 2022-01-24 10:00 | 59.4 | 3.3 | 8.4 | - | 26.1 | 24.2 |
| 2022-01-24 09:00 | 54.5 | 3.2 | 7.6 | - | 22.6 | 20.6 |
| 2022-01-24 08:00 | 52.2 | 2.5 | 8.4 | - | 25.1 | 21.4 |
| 2022-01-24 07:00 | 56.2 | 0.0 | 9.8 | - | 24.6 | 20.3 |
| 2022-01-24 06:00 | 54.7 | 0.0 | 9.6 | - | 20.9 | 16.9 |
| 2022-01-24 05:00 | 53.8 | 0.0 | 9.7 | - | 19.2 | 15.6 |
| 2022-01-24 04:00 | - | - | - | - | 23.8 | 18.8 |
| 2022-01-24 03:00 | 77.3 | 0.1 | 16.0 | - | 26.7 | 20.1 |
| 2022-01-24 02:00 | 72.9 | 0.0 | 13.9 | - | 26.7 | 20.8 |
| 2022-01-24 01:00 | 81.9 | 0.4 | 16.4 | - | 29.0 | 22.7 |
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.
