Southern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 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 | - |
| 2024-05-15 07:00 | 10.4 | 114.3 | 1.8 | 597.9 | 20.1 | 2.2 |
| 2024-05-15 06:00 | 7.3 | 120.4 | 2.0 | 578.7 | 24.0 | 8.4 |
| 2024-05-15 05:00 | 7.2 | 126.1 | 1.9 | 577.5 | 32.0 | 10.2 |
| 2024-05-15 04:00 | 6.1 | 136.1 | 2.0 | 564.8 | 31.6 | 8.8 |
| 2024-05-15 03:00 | 7.8 | 128.5 | 1.9 | 574.2 | 26.2 | 4.7 |
| 2024-05-15 02:00 | 10.1 | 125.9 | 2.0 | 587.6 | 24.4 | 2.0 |
| 2024-05-15 01:00 | 12.8 | 123.9 | 2.1 | 600.5 | 21.3 | 1.6 |
| 2024-05-15 00:00 | 12.4 | 126.9 | 2.0 | 608.2 | 21.1 | 5.5 |
| 2024-05-14 23:00 | 15.1 | 125.4 | 1.9 | 620.2 | 22.8 | 7.2 |
| 2024-05-14 22:00 | 15.5 | 126.6 | 2.0 | 629.5 | 27.8 | 11.2 |
| 2024-05-14 21:00 | 14.7 | 128.0 | 1.9 | 627.2 | - | - |
| 2024-05-14 20:00 | 17.7 | 120.4 | 2.2 | 638.2 | - | - |
| 2024-05-14 19:00 | 16.4 | 123.2 | 2.4 | 638.0 | - | - |
| 2024-05-14 18:00 | 14.8 | 125.9 | 2.0 | 657.6 | - | - |
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.
