Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-16 20:00 | 19.4 | 176.9 | 1.3 | 673.5 | - | - |
| 2024-05-16 19:00 | 18.1 | 176.0 | 1.6 | 677.9 | - | - |
| 2024-05-16 18:00 | 23.2 | 167.2 | 1.5 | 668.2 | - | - |
| 2024-05-16 17:00 | 23.4 | 176.9 | 1.7 | 670.1 | - | - |
| 2024-05-16 16:00 | 22.8 | 191.6 | 2.3 | 685.5 | 31.9 | 14.6 |
| 2024-05-16 15:00 | 21.3 | 189.5 | 1.3 | 669.5 | 54.1 | 22.9 |
| 2024-05-16 14:00 | 24.9 | 188.7 | 0.2 | 670.1 | 68.8 | 17.2 |
| 2024-05-16 13:00 | 25.0 | 195.7 | 3.5 | 696.2 | 66.2 | 15.9 |
| 2024-05-16 12:00 | 27.1 | 185.7 | 4.3 | 694.1 | 45.0 | 12.3 |
| 2024-05-16 11:00 | 25.2 | 169.6 | 4.6 | 679.9 | 33.7 | 11.1 |
| 2024-05-16 10:00 | 27.9 | 141.2 | 4.2 | 650.0 | 22.7 | 7.8 |
| 2024-05-16 09:00 | 25.6 | 131.0 | 3.6 | 621.8 | 18.2 | 4.8 |
| 2024-05-16 08:00 | 27.8 | 124.6 | 3.2 | 628.4 | 21.1 | 9.5 |
| 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 |
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.