Past 24 Hours Pollutant Concentration Summary
Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-01-30 05:00 | 31.2 | 35.2 | 0.6 | - | 18.4 | 11.8 |
| 2023-01-30 04:00 | 33.2 | 30.6 | 0.5 | - | 17.5 | 11.2 |
| 2023-01-30 03:00 | - | 25.1 | - | - | 21.0 | 13.8 |
| 2023-01-30 02:00 | 53.9 | 15.9 | 0.7 | - | 23.8 | 15.2 |
| 2023-01-30 01:00 | - | 13.3 | 0.9 | - | 28.2 | 17.4 |
| 2023-01-30 00:00 | 65.8 | 17.4 | 1.0 | - | 34.7 | 22.0 |
| 2023-01-29 23:00 | 71.0 | 16.3 | 1.1 | - | 36.1 | 23.1 |
| 2023-01-29 22:00 | 75.7 | 13.6 | 1.3 | - | 35.6 | 21.7 |
| 2023-01-29 21:00 | 62.4 | 30.6 | 1.2 | - | 37.5 | 23.7 |
| 2023-01-29 20:00 | 54.6 | 44.3 | 1.4 | - | 41.2 | 24.1 |
| 2023-01-29 19:00 | 32.9 | 70.8 | 1.8 | - | 41.5 | 22.5 |
| 2023-01-29 18:00 | 32.5 | 92.6 | 2.5 | - | 41.8 | 20.7 |
| 2023-01-29 17:00 | 19.1 | 111.7 | 2.6 | - | 41.3 | 19.7 |
| 2023-01-29 16:00 | 20.8 | 108.5 | 2.7 | - | 43.4 | 22.0 |
| 2023-01-29 15:00 | 22.3 | 104.0 | 2.7 | - | 45.4 | 24.2 |
| 2023-01-29 14:00 | 22.4 | 99.4 | 2.7 | - | 39.1 | 19.1 |
| 2023-01-29 13:00 | 17.3 | 96.7 | 2.6 | - | 41.5 | 21.1 |
| 2023-01-29 12:00 | 13.5 | 95.3 | 2.7 | - | 39.3 | 17.9 |
| 2023-01-29 11:00 | 15.0 | 89.1 | 2.8 | - | 42.6 | 21.4 |
| 2023-01-29 10:00 | 17.0 | 83.2 | 2.5 | - | 40.5 | 19.8 |
| 2023-01-29 09:00 | 29.1 | 60.4 | 1.7 | - | 36.7 | 18.8 |
| 2023-01-29 08:00 | 40.9 | 41.1 | 1.2 | - | 36.3 | 17.4 |
| 2023-01-29 07:00 | 35.4 | 48.5 | 1.3 | - | 37.3 | 17.4 |
| 2023-01-29 06:00 | 32.2 | 52.6 | 1.1 | - | 31.4 | 13.2 |
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.