Past 24 Hours Pollutant Concentration Summary
Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-24 16:00 | 18.8 | 60.8 | 5.0 | - | 14.8 | 8.9 |
| 2023-09-24 15:00 | 20.8 | 76.8 | 5.2 | - | 15.7 | 9.8 |
| 2023-09-24 14:00 | 17.2 | 79.1 | 5.2 | - | 16.3 | 10.4 |
| 2023-09-24 13:00 | 19.8 | 71.5 | 5.2 | - | 14.9 | 9.5 |
| 2023-09-24 12:00 | 15.9 | 67.0 | 4.7 | - | 12.0 | 7.4 |
| 2023-09-24 11:00 | 19.0 | 49.9 | 4.9 | - | 9.4 | 5.4 |
| 2023-09-24 10:00 | 20.6 | 39.0 | 5.5 | - | 11.0 | 7.2 |
| 2023-09-24 09:00 | 26.2 | 29.6 | 5.6 | - | 12.9 | 9.1 |
| 2023-09-24 08:00 | 22.9 | 29.3 | 6.1 | - | 11.5 | 7.6 |
| 2023-09-24 07:00 | 22.8 | 29.5 | 6.4 | - | 9.6 | 5.2 |
| 2023-09-24 06:00 | 16.1 | 32.6 | 5.7 | - | 8.1 | 4.6 |
| 2023-09-24 05:00 | 11.1 | 35.8 | 5.2 | - | 9.2 | 5.9 |
| 2023-09-24 04:00 | - | - | - | - | 7.0 | 2.6 |
| 2023-09-24 03:00 | 13.5 | 34.1 | 5.1 | - | 8.8 | 4.2 |
| 2023-09-24 02:00 | 13.3 | 36.4 | 5.2 | - | 9.7 | 4.7 |
| 2023-09-24 01:00 | 22.3 | 38.8 | 4.7 | - | 11.4 | 5.4 |
| 2023-09-24 00:00 | 24.1 | 39.1 | 4.5 | - | 12.5 | 6.9 |
| 2023-09-23 23:00 | 24.5 | 41.8 | 4.5 | - | 13.4 | 7.8 |
| 2023-09-23 22:00 | 25.5 | 43.6 | 4.4 | - | 13.3 | 8.5 |
| 2023-09-23 21:00 | 33.9 | 43.2 | 4.6 | - | 11.3 | 5.9 |
| 2023-09-23 20:00 | 35.3 | 45.9 | 4.8 | - | 12.0 | 6.1 |
| 2023-09-23 19:00 | 49.2 | 41.0 | 5.4 | - | 17.5 | 10.5 |
| 2023-09-23 18:00 | 68.1 | 44.9 | 6.0 | - | 17.8 | 11.7 |
| 2023-09-23 17:00 | 53.1 | 48.8 | 4.6 | - | 13.5 | 9.5 |
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.