Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-24 02:00 | 34.7 | 9.3 | 2.9 | - | 22.9 | 12.8 |
| 2024-04-24 01:00 | 29.2 | 32.8 | 2.9 | - | 21.5 | 12.8 |
| 2024-04-24 00:00 | 48.5 | 19.6 | 3.0 | - | 19.8 | 11.2 |
| 2024-04-23 23:00 | 45.4 | 21.6 | 2.9 | - | 17.4 | 10.1 |
| 2024-04-23 22:00 | 31.6 | 46.8 | 3.0 | - | 18.6 | 11.1 |
| 2024-04-23 21:00 | 31.3 | 54.1 | 2.9 | - | 18.5 | 10.8 |
| 2024-04-23 20:00 | 36.3 | 53.8 | 3.3 | - | 19.8 | 12.1 |
| 2024-04-23 19:00 | 35.6 | 60.3 | 2.9 | - | 17.5 | 11.4 |
| 2024-04-23 18:00 | 43.7 | 51.8 | 3.2 | - | 12.3 | 8.4 |
| 2024-04-23 17:00 | 39.1 | 58.7 | 3.1 | - | 8.4 | 5.4 |
| 2024-04-23 16:00 | 37.2 | 56.9 | 2.9 | - | 9.4 | 6.8 |
| 2024-04-23 15:00 | 50.5 | 37.4 | 3.1 | - | 15.7 | 10.0 |
| 2024-04-23 14:00 | 58.0 | 21.7 | 3.2 | - | 15.9 | 10.5 |
| 2024-04-23 13:00 | 43.6 | 23.3 | 2.8 | - | 11.2 | 7.9 |
| 2024-04-23 12:00 | 47.6 | 21.9 | 2.8 | - | 4.5 | 3.0 |
| 2024-04-23 11:00 | 46.4 | 21.5 | 2.9 | - | 6.6 | 5.2 |
| 2024-04-23 10:00 | 56.3 | 9.5 | 3.0 | - | 19.5 | 16.0 |
| 2024-04-23 09:00 | 46.0 | 12.3 | 3.2 | - | 22.6 | 16.2 |
| 2024-04-23 08:00 | 45.3 | 11.9 | 3.3 | - | 27.7 | 19.1 |
| 2024-04-23 07:00 | 30.0 | 21.0 | 2.7 | - | 22.7 | 16.2 |
| 2024-04-23 06:00 | 18.4 | 23.8 | 2.5 | - | 21.9 | 13.4 |
| 2024-04-23 05:00 | 18.9 | 24.9 | 2.5 | - | 24.0 | 14.3 |
| 2024-04-23 04:00 | 21.2 | 22.8 | 2.6 | - | 27.8 | 18.5 |
| 2024-04-23 03:00 | 21.8 | 25.3 | 2.7 | - | 26.7 | 18.1 |
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.