Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-11-27 13:00 | 71.3 | 50.8 | 2.9 | 459.1 | 69.1 | 40.3 |
| 2022-11-27 12:00 | 69.2 | 48.3 | 3.1 | 419.8 | 58.9 | 34.3 |
| 2022-11-27 11:00 | 55.6 | 47.1 | 2.1 | 377.7 | 34.8 | 19.8 |
| 2022-11-27 10:00 | 49.1 | 44.2 | 2.2 | 279.7 | 27.8 | 14.7 |
| 2022-11-27 09:00 | 48.1 | 41.4 | 2.3 | 268.6 | 41.0 | 24.9 |
| 2022-11-27 08:00 | 46.7 | 40.7 | 2.4 | 264.4 | 17.6 | 11.0 |
| 2022-11-27 07:00 | 29.6 | 48.8 | 1.8 | 308.8 | 16.7 | 7.8 |
| 2022-11-27 06:00 | 22.9 | 55.8 | 1.8 | 259.3 | 23.1 | 11.8 |
| 2022-11-27 05:00 | 17.6 | 62.4 | 2.1 | 214.3 | 24.9 | 14.8 |
| 2022-11-27 04:00 | - | 60.3 | - | - | 16.9 | 9.3 |
| 2022-11-27 03:00 | 17.4 | 58.1 | 2.1 | 212.0 | 16.1 | 9.3 |
| 2022-11-27 02:00 | 26.9 | 51.2 | 2.9 | 243.4 | 23.1 | 13.1 |
| 2022-11-27 01:00 | 47.1 | 32.4 | 3.7 | 314.7 | 21.7 | 14.5 |
| 2022-11-27 00:00 | 49.8 | 34.0 | 4.2 | 301.4 | 20.8 | 15.5 |
| 2022-11-26 23:00 | 42.2 | 31.5 | 2.8 | 256.8 | 23.6 | 16.5 |
| 2022-11-26 22:00 | 38.8 | 32.2 | 2.8 | 365.9 | 24.2 | 15.8 |
| 2022-11-26 21:00 | 57.7 | 18.8 | 3.6 | 561.3 | 21.9 | 14.8 |
| 2022-11-26 20:00 | 47.9 | 28.5 | 4.0 | 577.7 | 25.5 | 16.7 |
| 2022-11-26 19:00 | 61.6 | 16.6 | 5.0 | 647.2 | 31.0 | 21.6 |
| 2022-11-26 18:00 | 64.5 | 22.1 | 5.6 | 723.9 | 30.3 | 20.5 |
| 2022-11-26 17:00 | 68.9 | 17.1 | 4.8 | 720.7 | 20.2 | 12.5 |
| 2022-11-26 16:00 | 59.3 | 16.7 | 3.7 | 470.5 | 29.9 | 18.6 |
| 2022-11-26 15:00 | 61.1 | 15.8 | 4.8 | 640.2 | 28.8 | 20.6 |
| 2022-11-26 14:00 | 64.7 | 10.6 | 4.8 | 712.3 | 22.4 | 16.5 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(3) Concentration shown is in µg/m3.
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
