Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-29 20:00 | 31.3 | 67.7 | 3.5 | - | 11.5 | 5.8 |
| 2023-09-29 19:00 | 35.6 | 71.6 | 3.6 | - | 10.3 | 5.0 |
| 2023-09-29 18:00 | 31.8 | 73.2 | 2.7 | - | 11.7 | 7.5 |
| 2023-09-29 17:00 | 21.9 | 83.5 | 2.7 | - | 10.8 | 6.7 |
| 2023-09-29 16:00 | 12.2 | 92.8 | 2.5 | - | 11.0 | 7.0 |
| 2023-09-29 15:00 | 11.7 | 85.7 | 2.6 | - | 11.4 | 6.6 |
| 2023-09-29 14:00 | 16.7 | 86.4 | 2.3 | - | 14.6 | 10.2 |
| 2023-09-29 13:00 | 16.3 | 80.0 | 2.5 | - | 14.4 | 10.2 |
| 2023-09-29 12:00 | 11.6 | 79.6 | 2.2 | - | 13.5 | 8.9 |
| 2023-09-29 11:00 | 12.1 | 76.7 | 2.4 | - | 12.7 | 8.6 |
| 2023-09-29 10:00 | 13.7 | 66.6 | 2.5 | - | 13.4 | 8.8 |
| 2023-09-29 09:00 | 22.2 | 51.1 | 2.6 | - | 8.0 | 3.2 |
| 2023-09-29 08:00 | 31.8 | 36.3 | 3.1 | - | 9.5 | 5.4 |
| 2023-09-29 07:00 | 29.4 | 35.4 | 2.5 | - | 10.2 | 6.6 |
| 2023-09-29 06:00 | 14.6 | 52.1 | 2.5 | - | 9.3 | 4.9 |
| 2023-09-29 05:00 | 11.2 | 58.7 | 2.5 | - | 9.0 | 4.4 |
| 2023-09-29 04:00 | 10.6 | 59.9 | 2.8 | - | 12.5 | 7.6 |
| 2023-09-29 03:00 | - | 66.7 | - | - | 10.6 | 5.1 |
| 2023-09-29 02:00 | 12.1 | 63.9 | 2.3 | - | 9.8 | 3.7 |
| 2023-09-29 01:00 | 17.0 | 58.9 | 2.5 | - | 12.9 | 6.6 |
| 2023-09-29 00:00 | 23.3 | 59.5 | 2.6 | - | 12.4 | 6.2 |
| 2023-09-28 23:00 | 27.4 | 63.7 | 3.3 | - | 16.2 | 10.0 |
| 2023-09-28 22:00 | 25.9 | 69.4 | 3.3 | - | 15.4 | 9.4 |
| 2023-09-28 21:00 | 32.3 | 71.4 | 3.5 | - | 17.9 | 11.4 |
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.