Past 24 Hours Pollutant Concentration Summary
Sha Tin
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-20 21:00 | 17.7 | 78.4 | 1.1 | - | 13.9 | 6.4 |
| 2024-04-20 20:00 | 16.0 | 86.9 | 1.2 | - | 18.1 | 12.2 |
| 2024-04-20 19:00 | 26.3 | 54.7 | 1.8 | - | 25.0 | 17.6 |
| 2024-04-20 18:00 | 29.5 | 39.7 | 2.2 | - | 24.6 | 16.8 |
| 2024-04-20 17:00 | 23.5 | 44.6 | 1.6 | - | 23.9 | 16.5 |
| 2024-04-20 16:00 | 14.9 | 57.9 | 1.4 | - | 24.6 | 16.4 |
| 2024-04-20 15:00 | 17.7 | 56.1 | 1.5 | - | 24.6 | 17.2 |
| 2024-04-20 14:00 | 15.4 | 59.5 | 1.6 | - | 20.5 | 13.5 |
| 2024-04-20 13:00 | 13.4 | 62.4 | 1.4 | - | 18.4 | 11.9 |
| 2024-04-20 12:00 | 13.6 | 63.1 | 1.6 | - | 18.3 | 11.6 |
| 2024-04-20 11:00 | 13.7 | 59.8 | 1.5 | - | 17.3 | 11.4 |
| 2024-04-20 10:00 | 12.3 | 57.2 | 1.7 | - | 18.8 | 12.9 |
| 2024-04-20 09:00 | 13.0 | 53.6 | 1.5 | - | 19.3 | 14.0 |
| 2024-04-20 08:00 | 12.7 | 51.8 | 1.3 | - | 19.0 | 13.6 |
| 2024-04-20 07:00 | 9.8 | 53.9 | 1.1 | - | 18.1 | 13.0 |
| 2024-04-20 06:00 | 6.4 | 56.9 | 1.1 | - | 16.1 | 11.1 |
| 2024-04-20 05:00 | 4.6 | 59.4 | 1.4 | - | 17.0 | 12.0 |
| 2024-04-20 04:00 | 6.0 | 56.2 | 1.3 | - | 15.2 | 10.1 |
| 2024-04-20 03:00 | 5.4 | 58.3 | 1.1 | - | 15.3 | 10.5 |
| 2024-04-20 02:00 | 6.4 | 58.1 | 1.4 | - | 16.0 | 10.5 |
| 2024-04-20 01:00 | 7.8 | 55.8 | 1.1 | - | 17.4 | 11.8 |
| 2024-04-20 00:00 | 17.6 | 46.0 | 1.2 | - | 15.6 | 10.0 |
| 2024-04-19 23:00 | 14.4 | 48.8 | 1.3 | - | 15.5 | 10.7 |
| 2024-04-19 22:00 | 13.8 | 51.4 | 1.2 | - | 16.4 | 10.4 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.