Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-12-08 09:00 | 87.9 | 39.8 | 6.0 | - | 32.5 | 15.3 |
| 2023-12-08 08:00 | 86.2 | 37.2 | 4.0 | - | 27.6 | 12.4 |
| 2023-12-08 07:00 | 68.0 | 47.0 | 3.2 | - | 24.5 | 11.4 |
| 2023-12-08 06:00 | 31.9 | 79.1 | 2.5 | - | 24.2 | 11.2 |
| 2023-12-08 05:00 | 36.9 | 77.9 | 3.5 | - | 24.1 | 10.9 |
| 2023-12-08 04:00 | - | - | - | - | 23.8 | 11.6 |
| 2023-12-08 03:00 | 36.1 | 80.8 | 2.2 | - | 22.7 | 11.4 |
| 2023-12-08 02:00 | 48.5 | 69.6 | 2.2 | - | 23.4 | 12.1 |
| 2023-12-08 01:00 | 80.0 | 43.8 | 2.8 | - | 24.5 | 12.6 |
| 2023-12-08 00:00 | 94.1 | 32.1 | 2.7 | - | 26.1 | 14.3 |
| 2023-12-07 23:00 | 92.9 | 36.6 | 3.2 | - | 25.1 | 14.3 |
| 2023-12-07 22:00 | 92.3 | 35.7 | 3.3 | - | 30.2 | 17.7 |
| 2023-12-07 21:00 | 82.8 | 47.7 | 2.9 | - | 28.1 | 14.6 |
| 2023-12-07 20:00 | 81.5 | 55.2 | 3.2 | - | 27.5 | 13.3 |
| 2023-12-07 19:00 | 78.3 | 54.5 | 2.8 | - | 26.1 | 10.9 |
| 2023-12-07 18:00 | 92.4 | 45.2 | 3.2 | - | 26.8 | 11.1 |
| 2023-12-07 17:00 | 81.8 | 50.5 | 2.5 | - | 29.8 | 12.0 |
| 2023-12-07 16:00 | 76.7 | 55.7 | 3.1 | - | 24.5 | 9.3 |
| 2023-12-07 15:00 | 61.9 | 69.4 | 2.5 | - | 18.2 | 7.0 |
| 2023-12-07 14:00 | 61.8 | 63.6 | 3.1 | - | 20.5 | 8.4 |
| 2023-12-07 13:00 | 32.0 | 84.7 | 3.4 | - | 25.1 | 11.3 |
| 2023-12-07 12:00 | 48.1 | - | 4.1 | - | 26.0 | 10.6 |
| 2023-12-07 11:00 | 54.4 | 50.3 | 4.4 | - | 21.8 | 7.9 |
| 2023-12-07 10:00 | 46.4 | 52.2 | 3.6 | - | 16.9 | 7.3 |
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.