Past 24 Hours Pollutant Concentration Summary
Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-03 15:00 | 45.8 | 105.0 | 1.2 | - | 28.9 | 15.4 |
| 2024-05-03 14:00 | 42.7 | 106.2 | 1.0 | - | 31.3 | 14.2 |
| 2024-05-03 13:00 | 43.1 | 99.7 | 1.0 | - | 34.8 | 15.3 |
| 2024-05-03 12:00 | 48.6 | 88.1 | 0.7 | - | 33.6 | 13.1 |
| 2024-05-03 11:00 | 40.2 | 95.7 | 0.7 | - | 30.9 | 10.0 |
| 2024-05-03 10:00 | 42.8 | 86.4 | 0.7 | - | 27.7 | 10.0 |
| 2024-05-03 09:00 | 49.4 | 79.6 | 0.3 | - | 21.9 | 9.4 |
| 2024-05-03 08:00 | 43.4 | 88.8 | 0.4 | - | 21.6 | 12.7 |
| 2024-05-03 07:00 | 28.2 | 98.6 | 0.5 | - | 29.9 | 16.5 |
| 2024-05-03 06:00 | 13.6 | 118.2 | 0.6 | - | 25.0 | 12.4 |
| 2024-05-03 05:00 | 12.0 | 120.2 | 0.7 | - | 26.2 | 11.2 |
| 2024-05-03 04:00 | 10.8 | 125.3 | 1.0 | - | 26.3 | 11.2 |
| 2024-05-03 03:00 | 11.2 | 126.1 | 0.8 | - | 26.6 | 12.6 |
| 2024-05-03 02:00 | 15.4 | 120.9 | 1.1 | - | 28.4 | 12.5 |
| 2024-05-03 01:00 | 16.1 | 120.9 | 0.9 | - | 23.6 | 10.5 |
| 2024-05-03 00:00 | 21.9 | 120.9 | 0.8 | - | 15.4 | 10.3 |
| 2024-05-02 23:00 | 24.5 | 119.4 | 0.7 | - | 17.1 | 10.8 |
| 2024-05-02 22:00 | 29.1 | 112.1 | 0.6 | - | 17.9 | 9.0 |
| 2024-05-02 21:00 | 29.0 | 108.5 | 0.6 | - | 24.6 | 10.9 |
| 2024-05-02 20:00 | 30.3 | 108.5 | 0.7 | - | 27.3 | 12.4 |
| 2024-05-02 19:00 | 35.9 | 104.2 | 0.7 | - | 31.3 | 14.5 |
| 2024-05-02 18:00 | 39.8 | 99.3 | 0.8 | - | 33.4 | 14.0 |
| 2024-05-02 17:00 | 46.5 | 93.1 | 0.5 | - | 32.2 | 14.9 |
| 2024-05-02 16:00 | 44.2 | 93.4 | 0.5 | - | 34.2 | 17.3 |
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.