Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 10:00 | 33.1 | 33.1 | 2.5 | - | 19.0 | 12.6 |
| 2024-04-20 09:00 | 34.7 | 29.2 | 2.6 | - | 21.0 | 15.8 |
| 2024-04-20 08:00 | 29.2 | 33.2 | 2.5 | - | 18.4 | 13.4 |
| 2024-04-20 07:00 | 25.8 | 32.2 | 1.9 | - | 17.3 | 12.7 |
| 2024-04-20 06:00 | 14.0 | 42.4 | 1.7 | - | 15.5 | 11.3 |
| 2024-04-20 05:00 | 11.9 | 45.4 | 1.9 | - | 15.6 | 11.2 |
| 2024-04-20 04:00 | - | - | - | - | 16.6 | 12.5 |
| 2024-04-20 03:00 | 11.8 | 44.2 | 1.8 | - | 14.9 | 10.5 |
| 2024-04-20 02:00 | 15.6 | 41.2 | 1.4 | - | 14.5 | 10.1 |
| 2024-04-20 01:00 | 18.5 | 38.0 | 1.4 | - | 17.4 | 12.4 |
| 2024-04-20 00:00 | 18.2 | 38.0 | 1.8 | - | 17.0 | 11.9 |
| 2024-04-19 23:00 | 30.9 | 28.4 | 1.9 | - | 15.0 | 10.3 |
| 2024-04-19 22:00 | 20.3 | 37.6 | 1.7 | - | 15.6 | 9.8 |
| 2024-04-19 21:00 | 24.8 | 35.9 | 2.0 | - | 18.1 | 12.4 |
| 2024-04-19 20:00 | 40.3 | 25.4 | 2.6 | - | 22.2 | 15.6 |
| 2024-04-19 19:00 | 45.5 | 20.7 | 2.6 | - | 20.9 | 14.2 |
| 2024-04-19 18:00 | 45.4 | 28.0 | 2.4 | - | 20.8 | 14.0 |
| 2024-04-19 17:00 | 39.7 | 30.7 | 2.1 | - | 22.9 | 14.7 |
| 2024-04-19 16:00 | 38.0 | 31.8 | 1.9 | - | 22.0 | 13.8 |
| 2024-04-19 15:00 | 39.7 | 32.6 | 1.9 | - | 18.4 | 10.8 |
| 2024-04-19 14:00 | 33.7 | 34.1 | 1.9 | - | 19.1 | 12.8 |
| 2024-04-19 13:00 | 28.3 | 40.0 | 2.2 | - | 20.9 | 14.6 |
| 2024-04-19 12:00 | 36.8 | 29.5 | 2.4 | - | 24.5 | 17.8 |
| 2024-04-19 11:00 | 43.8 | 21.0 | 2.4 | - | 28.4 | 21.8 |
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.