Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-05 11:00 | 25.8 | 87.3 | 2.2 | - | 9.4 | 5.4 |
| 2024-05-05 10:00 | 26.4 | 74.6 | 2.2 | - | 7.4 | 3.3 |
| 2024-05-05 09:00 | 33.5 | 64.0 | 2.2 | - | 4.6 | 3.2 |
| 2024-05-05 08:00 | 36.2 | 59.8 | 2.1 | - | 3.2 | 1.1 |
| 2024-05-05 07:00 | 26.2 | 50.5 | 2.1 | - | 9.0 | 4.9 |
| 2024-05-05 06:00 | 15.4 | 77.7 | 2.1 | - | 8.1 | 3.5 |
| 2024-05-05 05:00 | 19.8 | 63.1 | 2.1 | - | 7.3 | 4.4 |
| 2024-05-05 04:00 | 23.3 | 60.9 | 2.2 | - | 8.8 | 5.7 |
| 2024-05-05 03:00 | 48.7 | 29.4 | 2.2 | - | 10.3 | 7.1 |
| 2024-05-05 02:00 | 41.7 | 36.5 | 2.1 | - | 9.3 | 6.7 |
| 2024-05-05 01:00 | 45.2 | 45.0 | 2.1 | - | 7.4 | 5.1 |
| 2024-05-05 00:00 | 53.1 | 47.2 | 2.1 | - | 13.6 | 11.9 |
| 2024-05-04 23:00 | 62.1 | 45.9 | 1.9 | - | 11.4 | 10.7 |
| 2024-05-04 22:00 | 42.8 | 63.5 | 2.0 | - | 4.2 | 3.3 |
| 2024-05-04 21:00 | 42.3 | 66.0 | 2.0 | - | 3.7 | 2.7 |
| 2024-05-04 20:00 | 23.9 | 90.5 | 1.9 | - | 5.8 | 5.1 |
| 2024-05-04 19:00 | 17.5 | 103.9 | 1.8 | - | 18.8 | 16.5 |
| 2024-05-04 18:00 | 55.7 | 51.2 | 2.1 | - | 11.1 | 8.2 |
| 2024-05-04 17:00 | 52.8 | 54.0 | 2.2 | - | 6.3 | 4.5 |
| 2024-05-04 16:00 | 59.2 | 44.9 | 2.2 | - | 8.4 | 6.2 |
| 2024-05-04 15:00 | 51.5 | 55.4 | 2.1 | - | 13.9 | 9.4 |
| 2024-05-04 14:00 | 44.2 | 62.7 | 2.0 | - | 11.5 | 6.7 |
| 2024-05-04 13:00 | 41.5 | 65.0 | 1.9 | - | 6.7 | 4.8 |
| 2024-05-04 12:00 | 51.5 | 54.9 | 1.8 | - | 8.4 | 6.6 |
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.
