Past 24 Hours Pollutant Concentration Summary
Kwai Chung
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-16 17:00 | - | - | - | - | 21.5 | 14.2 |
| 2024-04-16 16:00 | - | - | - | - | 22.0 | 14.1 |
| 2024-04-16 15:00 | - | - | - | - | - | - |
| 2024-04-16 14:00 | - | - | - | - | - | - |
| 2024-04-16 13:00 | - | - | - | - | - | - |
| 2024-04-16 12:00 | - | - | - | - | - | - |
| 2024-04-16 11:00 | - | - | - | - | - | - |
| 2024-04-16 10:00 | 39.3 | 23.8 | 3.9 | - | 18.6 | 13.4 |
| 2024-04-16 09:00 | 55.7 | 10.2 | 6.7 | - | 20.9 | 15.3 |
| 2024-04-16 08:00 | 55.5 | 3.1 | 7.2 | - | 21.6 | 18.0 |
| 2024-04-16 07:00 | 46.4 | 6.0 | 5.2 | - | 21.8 | 18.2 |
| 2024-04-16 06:00 | 43.3 | 4.8 | 5.0 | - | 25.7 | 22.4 |
| 2024-04-16 05:00 | 48.0 | 1.1 | 5.3 | - | 28.5 | 25.2 |
| 2024-04-16 04:00 | 38.6 | 11.1 | 4.2 | - | 33.8 | 30.4 |
| 2024-04-16 03:00 | 43.1 | 13.0 | 4.8 | - | 37.6 | 33.9 |
| 2024-04-16 02:00 | 43.1 | 13.6 | 5.2 | - | 41.1 | 37.0 |
| 2024-04-16 01:00 | 60.0 | 5.4 | 6.6 | - | 43.3 | 38.9 |
| 2024-04-16 00:00 | 53.7 | 9.4 | 4.8 | - | 39.3 | 34.6 |
| 2024-04-15 23:00 | 49.7 | 13.5 | 4.4 | - | 36.5 | 31.6 |
| 2024-04-15 22:00 | 35.5 | 27.4 | 4.1 | - | 30.4 | 25.1 |
| 2024-04-15 21:00 | 39.4 | 25.7 | 4.2 | - | 31.4 | 25.8 |
| 2024-04-15 20:00 | 40.4 | 25.3 | 4.1 | - | 32.5 | 26.7 |
| 2024-04-15 19:00 | 64.8 | 11.5 | 5.0 | - | 26.8 | 19.5 |
| 2024-04-15 18:00 | 64.7 | 15.8 | 5.0 | - | 25.7 | 17.6 |
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.