Past 24 Hours Pollutant Concentration Summary
Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-27 07:00 | 15.8 | 47.8 | 0.7 | - | 27.5 | 17.0 |
| 2024-04-27 06:00 | 12.7 | 49.1 | 0.7 | - | 21.8 | 10.5 |
| 2024-04-27 05:00 | 10.9 | 53.7 | 0.9 | - | 20.7 | 11.5 |
| 2024-04-27 04:00 | 11.2 | 52.8 | 0.9 | - | 19.1 | 9.1 |
| 2024-04-27 03:00 | 9.9 | 52.1 | 0.6 | - | 17.1 | 6.1 |
| 2024-04-27 02:00 | 11.2 | 46.1 | 0.6 | - | 20.2 | 9.2 |
| 2024-04-27 01:00 | 12.0 | 47.2 | 0.7 | - | 21.2 | 6.4 |
| 2024-04-27 00:00 | 13.1 | 46.3 | 0.3 | - | 20.2 | 7.1 |
| 2024-04-26 23:00 | 15.1 | 44.4 | 0.5 | - | 19.7 | 9.7 |
| 2024-04-26 22:00 | 13.6 | 43.2 | 0.4 | - | 18.5 | 9.6 |
| 2024-04-26 21:00 | 13.6 | 43.8 | 0.5 | - | 18.1 | 9.4 |
| 2024-04-26 20:00 | 16.1 | 43.0 | 0.4 | - | 20.9 | 12.4 |
| 2024-04-26 19:00 | 17.2 | 42.8 | 0.5 | - | 15.4 | 6.8 |
| 2024-04-26 18:00 | 21.5 | 37.6 | 0.5 | - | 17.9 | 9.2 |
| 2024-04-26 17:00 | 17.6 | 44.2 | 0.5 | - | 14.9 | 6.7 |
| 2024-04-26 16:00 | 15.4 | 46.2 | 0.4 | - | 15.0 | 7.2 |
| 2024-04-26 15:00 | 17.8 | 46.3 | 0.4 | - | 15.3 | 8.7 |
| 2024-04-26 14:00 | 23.9 | 39.9 | 0.5 | - | 19.2 | 12.8 |
| 2024-04-26 13:00 | 64.8 | 24.9 | 0.3 | - | 22.9 | 13.6 |
| 2024-04-26 12:00 | 86.9 | 22.3 | 0.2 | - | 15.4 | 7.0 |
| 2024-04-26 11:00 | 73.5 | 41.2 | 0.2 | - | 12.2 | 5.4 |
| 2024-04-26 10:00 | 40.3 | 54.3 | 0.3 | - | 13.0 | 7.7 |
| 2024-04-26 09:00 | 20.4 | 34.8 | 0.5 | - | 9.8 | 6.2 |
| 2024-04-26 08:00 | 21.2 | 30.2 | 0.4 | - | 7.0 | 2.2 |
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.