Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-07 01:00 | 36.8 | 56.0 | 1.9 | 311.9 | 12.6 | 3.6 |
| 2022-10-07 00:00 | 41.9 | 55.4 | 2.0 | 251.6 | 32.2 | 17.7 |
| 2022-10-06 23:00 | 61.7 | 38.8 | 2.6 | 318.9 | 24.1 | 12.7 |
| 2022-10-06 22:00 | 66.3 | 48.4 | 2.1 | 376.8 | 39.0 | 23.1 |
| 2022-10-06 21:00 | 58.6 | 57.1 | 2.0 | 343.9 | 34.5 | 19.5 |
| 2022-10-06 20:00 | 58.1 | 59.7 | 2.6 | 435.1 | 45.1 | 27.4 |
| 2022-10-06 19:00 | 88.6 | 41.3 | 4.2 | 619.7 | 29.4 | 16.7 |
| 2022-10-06 18:00 | 69.5 | 63.3 | 3.4 | 559.4 | 35.4 | 18.9 |
| 2022-10-06 17:00 | 67.9 | 63.2 | 2.8 | 481.1 | 34.4 | 18.9 |
| 2022-10-06 16:00 | 83.4 | 41.0 | 3.5 | 490.2 | 31.9 | 15.2 |
| 2022-10-06 15:00 | 85.9 | 40.9 | 3.7 | 445.5 | 36.2 | 16.5 |
| 2022-10-06 14:00 | 79.2 | 43.6 | 3.7 | 409.1 | 37.7 | 20.8 |
| 2022-10-06 13:00 | 86.3 | 29.6 | 4.8 | 468.2 | 35.1 | 20.2 |
| 2022-10-06 12:00 | 70.5 | 37.0 | 3.5 | 380.0 | 33.1 | 15.2 |
| 2022-10-06 11:00 | 68.7 | 32.8 | 2.9 | 404.6 | 43.9 | 15.4 |
| 2022-10-06 10:00 | 52.1 | 40.3 | 2.5 | 317.3 | 101.3 | 24.3 |
| 2022-10-06 09:00 | 74.4 | 17.2 | 5.7 | 552.4 | 34.6 | 15.9 |
| 2022-10-06 08:00 | 56.3 | 25.5 | 3.3 | 327.4 | 33.8 | 18.5 |
| 2022-10-06 07:00 | 47.2 | 31.8 | 2.7 | 358.9 | 25.6 | 12.5 |
| 2022-10-06 06:00 | 21.6 | 60.7 | 1.1 | 212.7 | 13.4 | 4.8 |
| 2022-10-06 05:00 | 17.2 | 66.5 | 1.2 | 188.5 | 18.4 | 7.6 |
| 2022-10-06 04:00 | - | 67.7 | - | - | 34.8 | 16.9 |
| 2022-10-06 03:00 | 19.3 | 68.7 | 0.9 | 220.0 | 29.4 | 14.8 |
| 2022-10-06 02:00 | 18.2 | 70.7 | 1.0 | 260.3 | 16.4 | 6.6 |
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.
