Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-06 01:00 | 7.7 | 91.4 | 0.4 | - | 18.7 | 9.1 |
| 2022-10-06 00:00 | 11.3 | 90.5 | 0.5 | - | 17.9 | 8.8 |
| 2022-10-05 23:00 | 13.7 | 91.6 | 0.6 | - | 18.1 | 9.7 |
| 2022-10-05 22:00 | 10.0 | 98.4 | 0.6 | - | 21.6 | 12.4 |
| 2022-10-05 21:00 | 11.6 | 98.5 | 0.5 | - | 19.9 | 10.3 |
| 2022-10-05 20:00 | 18.5 | 86.6 | 0.5 | - | 17.1 | 7.5 |
| 2022-10-05 19:00 | 28.4 | 72.4 | 0.5 | - | 17.3 | 8.0 |
| 2022-10-05 18:00 | 25.6 | 76.6 | 0.8 | - | 17.6 | 9.4 |
| 2022-10-05 17:00 | 22.2 | 78.6 | 0.8 | - | 20.1 | 10.8 |
| 2022-10-05 16:00 | 13.4 | 86.7 | 0.7 | - | 20.9 | 12.2 |
| 2022-10-05 15:00 | 10.4 | 90.2 | 1.1 | - | 21.6 | 14.3 |
| 2022-10-05 14:00 | 12.5 | 98.8 | 0.9 | - | 20.5 | 16.0 |
| 2022-10-05 13:00 | 14.8 | 98.0 | 1.1 | - | 18.6 | 15.0 |
| 2022-10-05 12:00 | 10.6 | 97.0 | 1.1 | - | 18.4 | 13.3 |
| 2022-10-05 11:00 | 14.2 | 93.9 | 1.4 | - | 24.7 | 17.9 |
| 2022-10-05 10:00 | 22.2 | 80.0 | 0.9 | - | 28.4 | 20.7 |
| 2022-10-05 09:00 | 33.2 | 75.0 | 1.5 | - | 28.5 | 21.5 |
| 2022-10-05 08:00 | 34.0 | 40.2 | 2.2 | - | 28.2 | 22.2 |
| 2022-10-05 07:00 | 29.1 | 43.9 | 1.9 | - | 27.4 | 21.4 |
| 2022-10-05 06:00 | 20.1 | 63.9 | 2.0 | - | 27.0 | 20.9 |
| 2022-10-05 05:00 | 12.8 | 62.0 | 2.5 | - | 30.6 | 24.4 |
| 2022-10-05 04:00 | 15.7 | 52.9 | 1.6 | - | 29.9 | 23.6 |
| 2022-10-05 03:00 | 20.1 | 43.1 | 1.8 | - | 27.5 | 21.3 |
| 2022-10-05 02:00 | 28.3 | 37.2 | 1.3 | - | 28.5 | 22.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.