Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-24 00:00 | 26.3 | 28.4 | 1.7 | - | 12.6 | 4.1 |
| 2021-06-23 23:00 | 44.8 | 22.0 | 1.8 | - | 12.9 | 7.2 |
| 2021-06-23 22:00 | 41.3 | 32.5 | 1.8 | - | 6.5 | 3.5 |
| 2021-06-23 21:00 | 35.4 | 44.4 | 1.8 | - | 7.6 | 5.5 |
| 2021-06-23 20:00 | 30.8 | 53.0 | 2.1 | - | 5.6 | 4.4 |
| 2021-06-23 19:00 | 30.5 | 57.3 | 2.0 | - | 3.9 | 3.5 |
| 2021-06-23 18:00 | 52.3 | 35.3 | 2.3 | - | 6.6 | 5.2 |
| 2021-06-23 17:00 | 66.4 | 23.4 | 2.3 | - | 5.1 | 4.1 |
| 2021-06-23 16:00 | 75.1 | 17.4 | - | - | 5.4 | 4.3 |
| 2021-06-23 15:00 | 68.3 | 28.2 | - | - | 8.2 | 6.3 |
| 2021-06-23 14:00 | 50.7 | 38.8 | - | - | 14.2 | 10.8 |
| 2021-06-23 13:00 | 52.9 | 34.4 | - | - | 17.7 | 12.3 |
| 2021-06-23 12:00 | 69.4 | 19.8 | - | - | 13.9 | 9.2 |
| 2021-06-23 11:00 | 42.4 | 34.4 | 4.9 | - | 12.3 | 8.4 |
| 2021-06-23 10:00 | 50.3 | 16.3 | 4.2 | - | 14.7 | 8.2 |
| 2021-06-23 09:00 | 53.7 | 7.7 | 3.9 | - | 15.9 | 8.2 |
| 2021-06-23 08:00 | 63.5 | 8.0 | 4.3 | - | 17.6 | 7.7 |
| 2021-06-23 07:00 | 32.0 | 16.6 | 2.8 | - | 18.4 | 7.4 |
| 2021-06-23 06:00 | 26.4 | 18.6 | 2.7 | - | 17.2 | 5.6 |
| 2021-06-23 05:00 | 23.2 | 23.2 | 3.0 | - | 17.4 | 6.9 |
| 2021-06-23 04:00 | 25.2 | 27.7 | 3.8 | - | 14.0 | 6.7 |
| 2021-06-23 03:00 | - | 36.9 | - | - | 9.9 | 5.2 |
| 2021-06-23 02:00 | 26.2 | 42.7 | 7.7 | - | 9.9 | 4.9 |
| 2021-06-23 01:00 | 29.9 | 37.8 | 8.9 | - | 11.3 | 5.9 |
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.