Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-05-16 12:00 | 118.1 | 94.6 | 4.2 | 497.7 | 46.4 | 23.2 |
| 2024-05-16 11:00 | 114.9 | 77.6 | 4.7 | 545.4 | 44.1 | 22.0 |
| 2024-05-16 10:00 | 96.8 | 79.0 | 4.0 | 468.1 | 39.7 | 21.2 |
| 2024-05-16 09:00 | 98.7 | 60.7 | 3.7 | 421.4 | 35.8 | 20.4 |
| 2024-05-16 08:00 | 100.0 | 59.3 | 3.6 | 396.6 | 31.6 | 18.4 |
| 2024-05-16 07:00 | 95.2 | 70.4 | 3.4 | 418.7 | 26.0 | 14.9 |
| 2024-05-16 06:00 | 44.5 | 114.5 | 3.3 | 458.4 | 25.1 | 14.3 |
| 2024-05-16 05:00 | - | 133.9 | - | - | 23.4 | 11.3 |
| 2024-05-16 04:00 | 21.0 | 154.1 | 2.6 | 307.9 | 26.8 | 15.0 |
| 2024-05-16 03:00 | 29.2 | 156.8 | 2.2 | 331.3 | 28.5 | 17.1 |
| 2024-05-16 02:00 | 26.9 | 157.6 | 1.6 | 365.3 | 33.0 | 21.8 |
| 2024-05-16 01:00 | 45.0 | 131.2 | 1.8 | 364.1 | 37.9 | 24.9 |
| 2024-05-16 00:00 | 69.5 | 112.1 | 2.1 | 416.5 | 41.1 | 25.2 |
| 2024-05-15 23:00 | 58.8 | 114.5 | 2.3 | 391.2 | 42.0 | 27.2 |
| 2024-05-15 22:00 | 92.4 | 86.7 | 3.0 | 473.8 | 38.3 | 24.9 |
| 2024-05-15 21:00 | 77.4 | 95.8 | 2.6 | 581.6 | 38.9 | 24.6 |
| 2024-05-15 20:00 | 64.3 | 111.4 | 2.1 | 471.9 | 37.6 | 23.5 |
| 2024-05-15 19:00 | 68.2 | 116.0 | 2.5 | 495.6 | 44.2 | 26.2 |
| 2024-05-15 18:00 | 100.8 | 93.0 | 3.3 | 476.9 | 44.2 | 24.0 |
| 2024-05-15 17:00 | 118.4 | 83.5 | 3.2 | 483.5 | 47.5 | 25.6 |
| 2024-05-15 16:00 | 90.0 | 106.1 | 3.0 | 483.2 | 49.6 | 27.8 |
| 2024-05-15 15:00 | 78.3 | 105.7 | 3.1 | 517.5 | 43.9 | 24.6 |
| 2024-05-15 14:00 | 71.8 | 118.9 | 3.1 | 468.8 | 46.1 | 27.7 |
| 2024-05-15 13:00 | 88.9 | 105.1 | 3.1 | 461.6 | 38.1 | 20.9 |
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.
