Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-25 15:00 | 61.2 | 34.7 | 4.7 | - | 25.6 | 12.6 |
| 2024-04-25 14:00 | 44.1 | 42.2 | 2.5 | - | 15.0 | 9.4 |
| 2024-04-25 13:00 | 27.2 | 27.7 | 2.2 | - | 14.2 | 9.6 |
| 2024-04-25 12:00 | 33.1 | 21.5 | 2.0 | - | 21.2 | 14.1 |
| 2024-04-25 11:00 | 60.9 | 8.9 | 3.5 | - | 27.9 | 17.2 |
| 2024-04-25 10:00 | 86.4 | 9.6 | 3.4 | - | 23.0 | 13.8 |
| 2024-04-25 09:00 | 91.1 | 15.8 | 3.0 | - | 18.7 | 12.6 |
| 2024-04-25 08:00 | 64.8 | 39.1 | 2.7 | - | 12.4 | 8.3 |
| 2024-04-25 07:00 | 39.9 | 67.0 | 2.0 | - | 8.0 | 6.4 |
| 2024-04-25 06:00 | 24.3 | 86.8 | 1.8 | - | 2.6 | 1.1 |
| 2024-04-25 05:00 | 20.8 | 79.1 | 2.0 | - | 20.7 | 11.7 |
| 2024-04-25 04:00 | 20.4 | 72.5 | 2.0 | - | 18.6 | 9.7 |
| 2024-04-25 03:00 | 19.7 | 75.0 | 1.9 | - | 11.2 | 6.5 |
| 2024-04-25 02:00 | 23.3 | 73.3 | 1.8 | - | 17.6 | 10.7 |
| 2024-04-25 01:00 | 30.2 | 64.7 | 1.6 | - | 27.3 | 17.9 |
| 2024-04-25 00:00 | 46.7 | 41.7 | 2.5 | - | 32.7 | 26.7 |
| 2024-04-24 23:00 | 48.3 | 52.4 | 2.8 | - | 33.5 | 28.0 |
| 2024-04-24 22:00 | 58.5 | 53.9 | 2.9 | - | 37.8 | 31.5 |
| 2024-04-24 21:00 | 65.1 | 51.7 | 2.7 | - | 37.5 | 30.6 |
| 2024-04-24 20:00 | 74.5 | 42.8 | 3.0 | - | 38.9 | 30.6 |
| 2024-04-24 19:00 | 85.0 | 33.3 | 3.4 | - | 41.6 | 32.5 |
| 2024-04-24 18:00 | 100.6 | 12.7 | 3.7 | - | 40.3 | 31.1 |
| 2024-04-24 17:00 | 94.8 | 18.5 | 3.3 | - | 39.7 | 30.9 |
| 2024-04-24 16:00 | 85.4 | 22.3 | 4.2 | - | 32.8 | 25.2 |
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.