Past 24 Hours Pollutant Concentration Summary
Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-06 01:00 | 9.6 | 79.5 | 0.9 | - | 18.1 | 7.6 |
| 2022-10-06 00:00 | 10.2 | 80.6 | 0.9 | - | 17.7 | 8.4 |
| 2022-10-05 23:00 | 24.7 | 72.6 | 1.0 | - | 17.8 | 8.5 |
| 2022-10-05 22:00 | 18.8 | 77.3 | 1.0 | - | 18.5 | 8.1 |
| 2022-10-05 21:00 | 32.8 | 66.4 | 1.5 | - | 19.7 | 9.2 |
| 2022-10-05 20:00 | 55.9 | 44.7 | 2.1 | - | 16.6 | 6.3 |
| 2022-10-05 19:00 | 45.5 | 55.2 | 1.6 | - | 15.0 | 6.1 |
| 2022-10-05 18:00 | 39.6 | 57.6 | 1.5 | - | - | - |
| 2022-10-05 17:00 | 33.9 | 55.9 | 1.4 | - | - | - |
| 2022-10-05 16:00 | 31.3 | 63.4 | 1.5 | - | - | - |
| 2022-10-05 15:00 | 31.6 | 61.9 | 2.1 | - | 23.1 | 15.0 |
| 2022-10-05 14:00 | 24.0 | 79.2 | 1.7 | - | 20.0 | 14.5 |
| 2022-10-05 13:00 | 29.0 | 71.5 | 1.9 | - | 20.9 | 15.9 |
| 2022-10-05 12:00 | 23.3 | 76.3 | 2.0 | - | 22.7 | 16.4 |
| 2022-10-05 11:00 | 32.1 | 63.2 | 1.9 | - | 25.9 | 19.8 |
| 2022-10-05 10:00 | 43.1 | 49.5 | 2.0 | - | 30.3 | 24.4 |
| 2022-10-05 09:00 | 56.6 | 37.0 | 2.8 | - | 30.4 | 22.7 |
| 2022-10-05 08:00 | 42.4 | 36.5 | 2.2 | - | 27.2 | 19.5 |
| 2022-10-05 07:00 | 14.2 | 60.8 | 2.1 | - | 27.6 | 20.4 |
| 2022-10-05 06:00 | - | - | - | - | 28.5 | 22.1 |
| 2022-10-05 05:00 | 13.7 | 62.2 | 1.6 | - | 28.3 | 21.7 |
| 2022-10-05 04:00 | 23.3 | 49.9 | 1.8 | - | 30.4 | 23.0 |
| 2022-10-05 03:00 | 29.5 | 35.6 | 1.8 | - | 33.8 | 26.5 |
| 2022-10-05 02:00 | 40.7 | 33.1 | 2.5 | - | 35.5 | 27.2 |
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.