Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-26 02:00 | 30.6 | 42.9 | 3.1 | 524.4 | 30.6 | 21.3 |
| 2024-04-26 01:00 | 39.1 | 36.8 | 3.3 | 482.0 | 31.6 | 20.9 |
| 2024-04-26 00:00 | 35.5 | 25.2 | 3.6 | 418.0 | 34.1 | 23.8 |
| 2024-04-25 23:00 | 39.1 | 14.6 | 3.4 | 405.5 | 36.8 | 25.1 |
| 2024-04-25 22:00 | 53.3 | 9.0 | 6.4 | 742.2 | 33.7 | 23.2 |
| 2024-04-25 21:00 | 58.7 | 7.5 | 6.0 | 862.0 | 36.0 | 26.6 |
| 2024-04-25 20:00 | 50.3 | 10.6 | 6.1 | 790.6 | 31.4 | 24.0 |
| 2024-04-25 19:00 | 67.8 | 8.7 | 8.4 | 851.2 | 30.9 | 19.1 |
| 2024-04-25 18:00 | 81.1 | 8.2 | 9.9 | 818.3 | 33.2 | 20.2 |
| 2024-04-25 17:00 | 87.5 | 9.2 | 8.5 | 910.9 | 29.2 | 18.2 |
| 2024-04-25 16:00 | 93.4 | 11.9 | 7.3 | 710.7 | 37.1 | 21.4 |
| 2024-04-25 15:00 | 108.0 | 11.4 | 7.1 | 743.1 | 39.6 | 21.9 |
| 2024-04-25 14:00 | 76.9 | 17.6 | 4.9 | 655.8 | 27.4 | 21.2 |
| 2024-04-25 13:00 | 54.1 | 17.0 | 4.4 | 498.4 | 22.3 | 18.8 |
| 2024-04-25 12:00 | 43.0 | 19.0 | 3.8 | 483.1 | 21.7 | 16.4 |
| 2024-04-25 11:00 | 54.3 | 17.7 | 5.1 | 569.0 | 43.3 | 30.4 |
| 2024-04-25 10:00 | 99.8 | 7.1 | 7.5 | 1,031.4 | 39.4 | 24.8 |
| 2024-04-25 09:00 | 93.4 | 8.9 | 6.5 | 929.8 | 25.2 | 16.3 |
| 2024-04-25 08:00 | 78.6 | 25.7 | 3.5 | 716.9 | 13.7 | 8.1 |
| 2024-04-25 07:00 | 48.1 | 57.2 | 2.3 | 421.8 | - | - |
| 2024-04-25 06:00 | 16.7 | 87.3 | 2.5 | 377.3 | - | - |
| 2024-04-25 05:00 | 24.6 | 60.4 | 2.9 | 852.6 | - | - |
| 2024-04-25 04:00 | 35.4 | 56.1 | 2.7 | 1,668.4 | 27.3 | 17.8 |
| 2024-04-25 03:00 | 35.5 | 60.9 | 2.6 | 465.4 | 30.9 | 18.8 |
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.
