Past 24 Hours Pollutant Concentration Summary
Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-12-02 07:00 | 64.6 | 33.9 | 6.1 | - | 24.7 | 11.8 |
| 2021-12-02 06:00 | 36.0 | 54.0 | 5.9 | - | 24.3 | 10.8 |
| 2021-12-02 05:00 | 23.1 | 64.2 | 5.9 | - | 22.7 | 9.2 |
| 2021-12-02 04:00 | 14.9 | 72.7 | 5.9 | - | 24.7 | 10.2 |
| 2021-12-02 03:00 | 17.3 | 71.2 | 6.1 | - | 25.3 | 10.4 |
| 2021-12-02 02:00 | 16.9 | 73.8 | 6.2 | - | 27.5 | 12.8 |
| 2021-12-02 01:00 | 27.2 | 67.7 | 5.7 | - | 26.9 | 12.0 |
| 2021-12-02 00:00 | 44.2 | 53.6 | 5.8 | - | 27.5 | 11.9 |
| 2021-12-01 23:00 | 38.4 | 61.1 | 5.9 | - | 29.8 | 13.9 |
| 2021-12-01 22:00 | 68.9 | 41.9 | 6.7 | - | 36.7 | 18.5 |
| 2021-12-01 21:00 | 70.9 | 38.9 | 6.5 | - | 39.8 | 20.0 |
| 2021-12-01 20:00 | 88.4 | 31.0 | 6.5 | - | 35.5 | 15.4 |
| 2021-12-01 19:00 | 80.1 | 39.8 | 5.7 | - | 41.5 | 16.2 |
| 2021-12-01 18:00 | 95.2 | 38.1 | 6.2 | - | 43.1 | 15.2 |
| 2021-12-01 17:00 | 78.9 | 55.0 | 5.3 | - | 40.1 | 14.3 |
| 2021-12-01 16:00 | 74.0 | 57.7 | 5.1 | - | 38.8 | 16.4 |
| 2021-12-01 15:00 | 65.6 | 65.6 | 4.9 | - | 40.0 | 17.6 |
| 2021-12-01 14:00 | 63.3 | 60.4 | 5.2 | - | 34.7 | 15.4 |
| 2021-12-01 13:00 | 69.9 | 51.3 | 5.6 | - | 36.8 | 17.0 |
| 2021-12-01 12:00 | 65.9 | 46.8 | 5.9 | - | 35.7 | 16.9 |
| 2021-12-01 11:00 | 56.5 | 46.1 | 6.3 | - | 33.3 | 16.6 |
| 2021-12-01 10:00 | 59.3 | 41.4 | 6.2 | - | 28.0 | 14.4 |
| 2021-12-01 09:00 | 63.9 | 37.7 | 5.3 | - | 26.0 | 14.6 |
| 2021-12-01 08:00 | 61.3 | 37.4 | 5.1 | - | 24.3 | 13.4 |
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.