Tai Po
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-05-18 14:00 | 11.3 | 51.0 | 2.3 | - | 11.7 | 7.6 |
| 2021-05-18 13:00 | 13.8 | 50.1 | 2.2 | - | 13.6 | 10.0 |
| 2021-05-18 12:00 | 14.2 | 48.0 | 1.8 | - | 12.3 | 8.6 |
| 2021-05-18 11:00 | 13.0 | 49.8 | 1.9 | - | 7.3 | 4.0 |
| 2021-05-18 10:00 | 11.6 | 43.0 | 2.0 | - | 9.6 | 7.1 |
| 2021-05-18 09:00 | 18.1 | 30.5 | 1.9 | - | 10.6 | 8.0 |
| 2021-05-18 08:00 | 19.4 | 24.1 | 1.8 | - | 10.4 | 7.0 |
| 2021-05-18 07:00 | 23.0 | 17.5 | 1.9 | - | 9.0 | 5.9 |
| 2021-05-18 06:00 | 22.4 | 8.3 | 1.8 | - | 10.1 | 7.3 |
| 2021-05-18 05:00 | 17.7 | 16.9 | 1.7 | - | 10.6 | 7.6 |
| 2021-05-18 04:00 | 18.0 | 11.9 | 1.6 | - | 13.5 | 9.8 |
| 2021-05-18 03:00 | - | 13.6 | - | - | 9.8 | 6.6 |
| 2021-05-18 02:00 | 20.8 | 20.2 | 2.0 | - | 9.5 | 6.5 |
| 2021-05-18 01:00 | 23.5 | 17.8 | 2.1 | - | 10.5 | 7.4 |
| 2021-05-18 00:00 | 31.6 | 13.9 | 2.1 | - | 10.2 | 6.7 |
| 2021-05-17 23:00 | 30.2 | 13.6 | 2.1 | - | 12.0 | 8.3 |
| 2021-05-17 22:00 | 22.3 | 19.0 | 2.1 | - | 12.9 | 8.7 |
| 2021-05-17 21:00 | 20.6 | 22.1 | 1.9 | - | 11.3 | 7.4 |
| 2021-05-17 20:00 | 22.6 | 22.4 | 1.9 | - | 10.9 | 6.7 |
| 2021-05-17 19:00 | 26.7 | 24.0 | 2.1 | - | 9.3 | 4.6 |
| 2021-05-17 18:00 | 20.2 | 34.1 | 2.0 | - | 10.1 | 5.8 |
| 2021-05-17 17:00 | 20.1 | 39.0 | 2.2 | - | 11.5 | 7.7 |
| 2021-05-17 16:00 | 16.9 | 42.3 | 2.4 | - | 12.8 | 8.3 |
| 2021-05-17 15:00 | 15.8 | 44.2 | 1.7 | - | 13.8 | 9.7 |
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.
