Past 24 Hours Pollutant Concentration Summary
Sham Shui Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 15:00 | 48.5 | 68.8 | 3.0 | - | 10.2 | 8.3 |
| 2024-04-28 14:00 | 55.8 | 65.7 | 2.7 | - | 12.4 | 10.0 |
| 2024-04-28 13:00 | 49.1 | 69.9 | 2.7 | - | 15.9 | 9.9 |
| 2024-04-28 12:00 | 42.0 | 82.2 | 2.8 | - | 16.0 | 8.0 |
| 2024-04-28 11:00 | 38.6 | 83.0 | 3.1 | - | 17.7 | 5.7 |
| 2024-04-28 10:00 | 34.6 | 84.3 | 3.0 | - | 13.4 | 4.7 |
| 2024-04-28 09:00 | 23.1 | 95.0 | 3.0 | - | 5.5 | 1.9 |
| 2024-04-28 08:00 | 24.5 | 93.3 | 3.2 | - | 3.7 | 1.1 |
| 2024-04-28 07:00 | 21.7 | 87.9 | 3.0 | - | 6.1 | 3.4 |
| 2024-04-28 06:00 | 17.9 | 72.9 | 2.7 | - | 15.9 | 8.4 |
| 2024-04-28 05:00 | 16.6 | 31.5 | 3.0 | - | 16.6 | 8.7 |
| 2024-04-28 04:00 | - | - | - | - | 19.1 | 10.7 |
| 2024-04-28 03:00 | 21.6 | 21.9 | 2.9 | - | 19.1 | 8.9 |
| 2024-04-28 02:00 | 21.6 | 23.9 | 2.8 | - | 21.7 | 10.9 |
| 2024-04-28 01:00 | 30.0 | 18.0 | 2.7 | - | 21.6 | 11.0 |
| 2024-04-28 00:00 | 31.6 | 10.7 | 3.1 | - | 20.0 | 9.7 |
| 2024-04-27 23:00 | 31.9 | 11.4 | 3.1 | - | 18.2 | 5.8 |
| 2024-04-27 22:00 | 35.8 | 10.6 | 3.3 | - | 24.9 | 11.8 |
| 2024-04-27 21:00 | 38.4 | 8.5 | 3.7 | - | 27.1 | 14.8 |
| 2024-04-27 20:00 | 36.5 | 12.3 | 3.9 | - | 26.7 | 15.0 |
| 2024-04-27 19:00 | 35.1 | 15.2 | 3.9 | - | 22.5 | 11.8 |
| 2024-04-27 18:00 | 38.9 | 13.0 | 3.5 | - | 23.3 | 12.2 |
| 2024-04-27 17:00 | 36.2 | 15.7 | 3.3 | - | 21.5 | 9.8 |
| 2024-04-27 16:00 | 34.1 | 17.4 | 3.3 | - | 23.5 | 12.0 |
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.