Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-15 23:00 | 40.2 | 138.9 | 3.8 | - | 25.9 | 15.7 |
| 2024-05-15 22:00 | 37.2 | 141.1 | 4.1 | - | 28.8 | 17.9 |
| 2024-05-15 21:00 | 50.4 | 128.7 | 3.9 | - | 31.3 | 19.0 |
| 2024-05-15 20:00 | 57.9 | 125.7 | 3.7 | - | 29.7 | 16.5 |
| 2024-05-15 19:00 | 69.6 | 125.8 | 3.6 | - | 28.0 | 13.5 |
| 2024-05-15 18:00 | 78.4 | 120.8 | 3.9 | - | 28.5 | 14.8 |
| 2024-05-15 17:00 | 57.5 | 139.3 | 3.5 | - | 29.0 | 16.1 |
| 2024-05-15 16:00 | 55.3 | 144.6 | 3.7 | - | 29.8 | 14.5 |
| 2024-05-15 15:00 | 63.9 | 140.6 | 4.2 | - | 30.4 | 16.3 |
| 2024-05-15 14:00 | 50.4 | 146.4 | 4.3 | - | 31.4 | 17.9 |
| 2024-05-15 13:00 | 49.0 | 141.5 | 4.4 | - | 29.0 | 15.3 |
| 2024-05-15 12:00 | 44.7 | 136.9 | 3.9 | - | 27.3 | 13.6 |
| 2024-05-15 11:00 | 46.6 | 125.3 | 3.9 | - | 24.7 | 11.6 |
| 2024-05-15 10:00 | 45.5 | 121.5 | 4.5 | - | 24.5 | 12.1 |
| 2024-05-15 09:00 | 33.8 | 119.8 | 4.5 | - | 20.8 | 9.2 |
| 2024-05-15 08:00 | 22.5 | 123.1 | 4.1 | - | 21.1 | 9.2 |
| 2024-05-15 07:00 | 23.9 | 117.0 | 3.4 | - | 19.6 | 9.3 |
| 2024-05-15 06:00 | 14.9 | 121.6 | 3.0 | - | 18.5 | 8.4 |
| 2024-05-15 05:00 | 12.8 | 129.0 | 3.1 | - | 19.4 | 8.7 |
| 2024-05-15 04:00 | 17.6 | 127.4 | 2.8 | - | 19.5 | 8.3 |
| 2024-05-15 03:00 | 15.4 | 127.0 | 2.6 | - | 19.0 | 7.6 |
| 2024-05-15 02:00 | 15.6 | 132.0 | 2.6 | - | 16.9 | 5.6 |
| 2024-05-15 01:00 | 21.8 | - | 2.5 | - | 18.2 | 7.0 |
| 2024-05-15 00:00 | 29.6 | 118.3 | 3.1 | - | 20.5 | 9.5 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.