Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-08-20 03:00 | 6.4 | 36.6 | 0.9 | - | 4.6 | 2.1 |
| 2022-08-20 02:00 | 7.6 | 35.6 | 0.8 | - | 5.2 | 3.0 |
| 2022-08-20 01:00 | 8.2 | 35.0 | 0.8 | - | 5.6 | 2.6 |
| 2022-08-20 00:00 | 7.2 | 36.7 | 0.8 | - | 5.4 | 3.4 |
| 2022-08-19 23:00 | 16.1 | 26.9 | 0.9 | - | 3.5 | 1.8 |
| 2022-08-19 22:00 | 16.3 | 24.1 | 0.8 | - | 1.9 | 1.4 |
| 2022-08-19 21:00 | 9.7 | 36.7 | 0.9 | - | 5.0 | 3.6 |
| 2022-08-19 20:00 | 29.9 | 24.1 | 1.5 | - | 6.3 | 4.3 |
| 2022-08-19 19:00 | 32.4 | 19.4 | 1.8 | - | 4.6 | 3.7 |
| 2022-08-19 18:00 | 24.1 | 35.2 | 1.5 | - | 6.1 | 4.8 |
| 2022-08-19 17:00 | 25.2 | 32.6 | 1.8 | - | 4.5 | 2.8 |
| 2022-08-19 16:00 | 25.5 | 34.4 | 1.4 | - | 2.7 | 2.5 |
| 2022-08-19 15:00 | 12.5 | 48.3 | 1.0 | - | 2.8 | 2.8 |
| 2022-08-19 14:00 | 10.8 | 50.2 | 1.0 | - | 3.4 | 3.4 |
| 2022-08-19 13:00 | 9.6 | 53.4 | 1.3 | - | 2.9 | 2.9 |
| 2022-08-19 12:00 | 17.0 | 38.1 | 1.3 | - | 3.7 | 3.6 |
| 2022-08-19 11:00 | 24.4 | 21.0 | 1.4 | - | 3.4 | 2.9 |
| 2022-08-19 10:00 | 25.2 | 15.3 | 1.2 | - | 5.8 | 2.7 |
| 2022-08-19 09:00 | 23.4 | 6.1 | 1.2 | - | 9.0 | 3.1 |
| 2022-08-19 08:00 | 21.2 | 8.1 | 1.4 | - | 10.6 | 3.7 |
| 2022-08-19 07:00 | 17.4 | 8.0 | 1.1 | - | 10.4 | 2.4 |
| 2022-08-19 06:00 | 18.4 | 4.5 | 1.0 | - | 11.2 | 3.2 |
| 2022-08-19 05:00 | 16.3 | 6.2 | 1.0 | - | 10.8 | 3.5 |
| 2022-08-19 04:00 | 10.9 | 16.8 | 1.2 | - | 9.5 | 2.9 |
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.