Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-16 07:00 | 20.9 | 134.7 | 3.5 | 639.5 | 22.1 | 9.3 |
| 2024-05-16 06:00 | 15.8 | 142.7 | 3.9 | 633.7 | 14.6 | 4.3 |
| 2024-05-16 05:00 | 10.5 | 148.9 | 3.3 | 609.9 | 20.9 | 10.9 |
| 2024-05-16 04:00 | 8.5 | 157.9 | 3.5 | 635.6 | 29.1 | 18.1 |
| 2024-05-16 03:00 | 9.2 | 167.8 | 3.1 | 653.1 | 30.7 | 11.6 |
| 2024-05-16 02:00 | 14.9 | 160.0 | 2.7 | 657.0 | 24.4 | 4.5 |
| 2024-05-16 01:00 | 14.0 | 152.1 | 2.8 | 667.5 | 21.0 | 10.8 |
| 2024-05-16 00:00 | 14.3 | 147.7 | 2.5 | 666.5 | 26.5 | 12.0 |
| 2024-05-15 23:00 | 16.7 | 130.9 | 2.6 | 661.9 | 24.5 | 2.1 |
| 2024-05-15 22:00 | 23.8 | 123.6 | 2.7 | 683.5 | 20.5 | 2.5 |
| 2024-05-15 21:00 | 17.9 | 132.8 | 2.4 | 674.6 | 25.8 | 11.7 |
| 2024-05-15 20:00 | 17.1 | 146.1 | 2.7 | 664.0 | 23.5 | 13.7 |
| 2024-05-15 19:00 | 41.9 | 139.0 | 3.1 | 727.0 | 20.2 | 14.9 |
| 2024-05-15 18:00 | 24.1 | 161.2 | 3.3 | 682.8 | 36.0 | 18.1 |
| 2024-05-15 17:00 | 19.0 | 173.9 | 3.5 | 673.8 | 41.0 | 15.1 |
| 2024-05-15 16:00 | 18.8 | 171.8 | 3.6 | 672.9 | 33.2 | 12.9 |
| 2024-05-15 15:00 | 22.3 | 166.4 | 4.3 | 673.8 | 28.5 | 13.1 |
| 2024-05-15 14:00 | 19.7 | 169.5 | 4.4 | 675.9 | 26.7 | 4.3 |
| 2024-05-15 13:00 | 26.5 | 155.1 | 3.3 | 660.0 | 23.9 | 3.7 |
| 2024-05-15 12:00 | 32.0 | 148.9 | 3.1 | 654.3 | 22.7 | 8.1 |
| 2024-05-15 11:00 | 16.8 | 152.0 | 2.7 | 622.1 | 23.3 | 14.0 |
| 2024-05-15 10:00 | 19.2 | 135.0 | 2.5 | 629.6 | 28.1 | 13.4 |
| 2024-05-15 09:00 | 19.4 | 117.0 | 2.6 | 629.1 | 28.4 | 5.1 |
| 2024-05-15 08:00 | 18.6 | 113.9 | 2.3 | 625.0 | 20.4 | - |
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.