Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-29 11:00 | - | 18.1 | - | - | 33.4 | 20.8 |
| 2024-04-29 10:00 | 56.8 | 15.6 | 4.7 | 529.7 | 33.1 | 22.2 |
| 2024-04-29 09:00 | 67.7 | 9.1 | 7.4 | 814.2 | 39.9 | 25.6 |
| 2024-04-29 08:00 | 76.6 | 8.8 | 5.7 | 835.4 | 33.4 | 19.4 |
| 2024-04-29 07:00 | 46.9 | 24.8 | 3.0 | 557.0 | 24.1 | 11.5 |
| 2024-04-29 06:00 | 28.6 | 46.7 | 2.7 | 378.4 | 19.8 | 6.5 |
| 2024-04-29 05:00 | 16.0 | 56.0 | 2.6 | 421.7 | 15.6 | 3.6 |
| 2024-04-29 04:00 | 17.3 | 54.7 | 2.6 | 489.6 | 14.2 | 3.3 |
| 2024-04-29 03:00 | 19.0 | 56.4 | 2.6 | 376.9 | 16.0 | 5.8 |
| 2024-04-29 02:00 | 47.9 | 27.2 | 3.5 | 988.7 | 20.7 | 10.9 |
| 2024-04-29 01:00 | 45.2 | 36.7 | 3.2 | 595.6 | 24.3 | 12.8 |
| 2024-04-29 00:00 | 41.8 | 46.7 | 3.1 | 518.1 | 24.5 | 14.6 |
| 2024-04-28 23:00 | 48.2 | 42.3 | 3.5 | 523.0 | 25.4 | 14.8 |
| 2024-04-28 22:00 | 47.3 | 39.1 | 3.0 | 530.3 | 29.2 | 16.4 |
| 2024-04-28 21:00 | 43.8 | 50.0 | 3.0 | 484.7 | 30.1 | 19.0 |
| 2024-04-28 20:00 | 44.6 | 58.2 | 2.9 | 483.2 | 24.4 | 14.0 |
| 2024-04-28 19:00 | 39.2 | 67.0 | 2.8 | 494.8 | 20.9 | 12.0 |
| 2024-04-28 18:00 | 39.9 | 71.7 | 3.1 | 505.4 | 21.9 | 14.3 |
| 2024-04-28 17:00 | 48.7 | 68.4 | 3.3 | 518.1 | 25.3 | 19.1 |
| 2024-04-28 16:00 | 56.6 | 62.1 | 3.3 | 547.7 | 20.9 | 16.2 |
| 2024-04-28 15:00 | 66.8 | 49.3 | 4.7 | 623.4 | 29.1 | 23.9 |
| 2024-04-28 14:00 | 85.0 | 45.4 | 4.3 | 700.1 | 33.0 | 25.4 |
| 2024-04-28 13:00 | 70.0 | 53.0 | 3.6 | 637.9 | 35.5 | 24.6 |
| 2024-04-28 12:00 | 68.6 | 55.3 | 2.9 | 587.6 | 25.6 | 14.0 |
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.
