Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-16 01:00 | - | 158.7 | - | - | 21.9 | 11.1 |
| 2024-05-16 00:00 | 27.0 | - | 4.6 | - | 22.7 | 11.3 |
| 2024-05-15 23:00 | 37.6 | 134.3 | 4.8 | - | 25.7 | 13.7 |
| 2024-05-15 22:00 | 47.9 | 122.2 | 5.0 | - | 27.4 | 15.6 |
| 2024-05-15 21:00 | 41.9 | 128.0 | 4.7 | - | 29.5 | 17.1 |
| 2024-05-15 20:00 | 25.1 | 155.6 | 4.4 | - | 26.0 | 12.9 |
| 2024-05-15 19:00 | 46.0 | 142.3 | 4.4 | - | 28.3 | 14.1 |
| 2024-05-15 18:00 | 36.4 | 159.8 | 4.4 | - | 27.0 | 12.6 |
| 2024-05-15 17:00 | 32.5 | 170.7 | 4.6 | - | 28.0 | 12.5 |
| 2024-05-15 16:00 | 33.1 | 167.4 | 4.7 | - | 31.3 | 16.0 |
| 2024-05-15 15:00 | 29.0 | 171.0 | 4.7 | - | 29.5 | 14.3 |
| 2024-05-15 14:00 | 29.5 | 167.7 | 5.0 | - | 28.0 | 13.7 |
| 2024-05-15 13:00 | 28.3 | 162.1 | 4.9 | - | 24.8 | 11.9 |
| 2024-05-15 12:00 | 23.2 | 161.0 | 4.9 | - | 25.2 | 11.5 |
| 2024-05-15 11:00 | 25.0 | 150.1 | 4.8 | - | 23.8 | 9.1 |
| 2024-05-15 10:00 | 27.0 | 131.5 | 5.0 | - | 22.6 | 7.8 |
| 2024-05-15 09:00 | 23.8 | 117.8 | 5.0 | - | 21.1 | 7.7 |
| 2024-05-15 08:00 | 22.5 | 110.7 | 4.6 | - | 21.5 | 8.4 |
| 2024-05-15 07:00 | 14.8 | 118.5 | 4.4 | - | 19.4 | 6.5 |
| 2024-05-15 06:00 | 12.1 | 121.6 | 4.3 | - | 18.5 | 6.3 |
| 2024-05-15 05:00 | 10.4 | 125.8 | 4.3 | - | 19.9 | 7.3 |
| 2024-05-15 04:00 | 7.4 | 141.1 | 4.2 | - | 20.2 | 7.2 |
| 2024-05-15 03:00 | 7.2 | 140.1 | 4.2 | - | 19.4 | 6.4 |
| 2024-05-15 02:00 | 10.6 | 137.0 | 4.3 | - | 21.5 | 8.0 |
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.
