Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 20:00 | 25.2 | 79.5 | 2.5 | - | 13.0 | 9.2 |
| 2024-04-28 19:00 | 32.2 | 74.0 | 2.6 | - | 9.1 | 7.4 |
| 2024-04-28 18:00 | 15.3 | 102.9 | 2.7 | - | 8.0 | 6.8 |
| 2024-04-28 17:00 | 16.4 | 102.1 | 2.8 | - | 8.9 | 7.5 |
| 2024-04-28 16:00 | 22.9 | 95.3 | 2.7 | - | 5.3 | 5.2 |
| 2024-04-28 15:00 | 22.9 | 96.0 | 2.7 | - | 5.8 | - |
| 2024-04-28 14:00 | 26.1 | 94.3 | 2.7 | - | 14.5 | 12.8 |
| 2024-04-28 13:00 | 21.7 | 98.1 | 2.7 | - | 19.0 | 13.8 |
| 2024-04-28 12:00 | 19.9 | 101.4 | 2.6 | - | 15.8 | 9.5 |
| 2024-04-28 11:00 | 21.5 | 94.2 | 2.5 | - | 17.2 | 8.8 |
| 2024-04-28 10:00 | 22.8 | 87.7 | 2.5 | - | 13.7 | 7.9 |
| 2024-04-28 09:00 | 19.6 | 92.1 | 2.5 | - | 7.4 | 4.3 |
| 2024-04-28 08:00 | 16.0 | 93.8 | 2.6 | - | 6.1 | 5.2 |
| 2024-04-28 07:00 | 13.6 | 93.9 | 2.5 | - | 4.2 | 3.7 |
| 2024-04-28 06:00 | 11.0 | 93.6 | 2.7 | - | 7.6 | 5.7 |
| 2024-04-28 05:00 | 10.0 | 87.4 | 2.8 | - | 7.1 | 5.6 |
| 2024-04-28 04:00 | 9.1 | 79.3 | 2.7 | - | 5.6 | 2.9 |
| 2024-04-28 03:00 | - | 84.8 | - | - | 5.0 | 2.3 |
| 2024-04-28 02:00 | 12.1 | 73.1 | 2.9 | - | 8.3 | 5.1 |
| 2024-04-28 01:00 | 15.7 | 75.2 | 2.9 | - | 9.8 | 4.3 |
| 2024-04-28 00:00 | 17.2 | 42.1 | 3.0 | - | 18.8 | 10.5 |
| 2024-04-27 23:00 | 19.4 | 25.4 | 3.2 | - | 21.6 | 10.8 |
| 2024-04-27 22:00 | 25.3 | 18.7 | 3.4 | - | 26.3 | 15.1 |
| 2024-04-27 21:00 | 25.9 | 18.6 | 3.3 | - | 27.2 | 16.3 |
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.