Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-19 16:00 | 18.2 | 69.8 | 2.2 | - | 19.9 | 11.2 |
| 2021-06-19 15:00 | 15.1 | 71.5 | 2.3 | - | 18.8 | 9.9 |
| 2021-06-19 14:00 | 16.4 | 71.3 | 2.4 | - | 19.1 | 10.9 |
| 2021-06-19 13:00 | 18.8 | 75.6 | 2.1 | - | 20.0 | 11.6 |
| 2021-06-19 12:00 | 17.7 | 73.7 | 2.0 | - | 19.4 | 9.7 |
| 2021-06-19 11:00 | 25.3 | 60.3 | 1.9 | - | 18.7 | 10.5 |
| 2021-06-19 10:00 | 24.3 | 55.1 | 1.7 | - | 16.9 | 10.2 |
| 2021-06-19 09:00 | 21.1 | 54.1 | 1.9 | - | 16.0 | 9.3 |
| 2021-06-19 08:00 | 25.8 | 40.0 | 2.3 | - | 18.3 | 10.8 |
| 2021-06-19 07:00 | 20.9 | 38.4 | 2.0 | - | 17.0 | 10.1 |
| 2021-06-19 06:00 | 11.9 | 45.3 | 1.9 | - | 14.4 | 7.7 |
| 2021-06-19 05:00 | 9.2 | 48.6 | 1.8 | - | 13.2 | 7.3 |
| 2021-06-19 04:00 | 8.1 | 50.8 | 1.8 | - | 14.3 | 7.9 |
| 2021-06-19 03:00 | - | 53.2 | - | - | 14.8 | 9.4 |
| 2021-06-19 02:00 | 7.1 | 55.9 | 1.9 | - | 11.4 | 6.6 |
| 2021-06-19 01:00 | 8.7 | 53.9 | 1.8 | - | 12.8 | 7.7 |
| 2021-06-19 00:00 | 14.7 | 42.9 | 2.1 | - | 11.9 | 7.0 |
| 2021-06-18 23:00 | 21.2 | 35.9 | 2.0 | - | 11.8 | 6.9 |
| 2021-06-18 22:00 | 24.2 | 35.2 | 1.9 | - | 13.3 | 8.3 |
| 2021-06-18 21:00 | 26.7 | 35.7 | 2.2 | - | 14.7 | 8.7 |
| 2021-06-18 20:00 | 30.5 | 34.1 | 2.0 | - | 17.3 | 10.1 |
| 2021-06-18 19:00 | 19.4 | 44.9 | 2.3 | - | 17.0 | 9.6 |
| 2021-06-18 18:00 | 21.3 | 48.3 | 2.1 | - | 14.6 | 7.7 |
| 2021-06-18 17:00 | 14.7 | 61.3 | 2.1 | - | 13.7 | 6.7 |
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.