Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-12-01 18:00 | 68.9 | 6.7 | 10.1 | 527.6 | 33.8 | 16.2 |
| 2022-12-01 17:00 | 65.5 | 6.8 | 8.5 | 469.0 | 32.8 | 13.6 |
| 2022-12-01 16:00 | 63.8 | 7.6 | 6.5 | 460.2 | 26.6 | 11.3 |
| 2022-12-01 15:00 | 67.9 | 8.4 | 7.2 | 516.7 | 22.5 | 10.8 |
| 2022-12-01 14:00 | 73.2 | 7.7 | 7.8 | 507.0 | 28.6 | 15.7 |
| 2022-12-01 13:00 | 60.0 | 7.2 | 7.3 | 544.9 | 30.7 | 15.7 |
| 2022-12-01 12:00 | 63.3 | 6.8 | 6.9 | 544.3 | 25.5 | 12.8 |
| 2022-12-01 11:00 | 46.2 | 7.2 | 4.9 | 460.6 | 23.9 | 12.5 |
| 2022-12-01 10:00 | 51.9 | 5.8 | 6.1 | 561.7 | 15.2 | 6.6 |
| 2022-12-01 09:00 | 50.6 | 5.5 | 6.2 | 455.8 | 16.8 | 9.0 |
| 2022-12-01 08:00 | 47.0 | 5.7 | 4.4 | 366.5 | 12.4 | 6.6 |
| 2022-12-01 07:00 | 30.3 | 8.3 | 2.0 | 293.4 | 14.3 | 9.0 |
| 2022-12-01 06:00 | 25.2 | 10.1 | 1.8 | 289.1 | 5.7 | 2.1 |
| 2022-12-01 05:00 | 25.6 | 9.6 | 1.1 | 285.2 | 12.2 | 5.3 |
| 2022-12-01 04:00 | - | 11.0 | - | - | 3.9 | 1.6 |
| 2022-12-01 03:00 | 27.5 | 8.2 | 1.3 | 373.9 | 8.5 | 4.3 |
| 2022-12-01 02:00 | 34.7 | 7.0 | 2.0 | 395.9 | 22.1 | 12.8 |
| 2022-12-01 01:00 | 39.5 | 6.0 | 2.3 | 472.9 | 24.4 | 12.3 |
| 2022-12-01 00:00 | 39.9 | 7.1 | 3.4 | 549.8 | 15.7 | 7.4 |
| 2022-11-30 23:00 | 45.4 | 6.4 | 4.5 | 586.7 | 14.5 | 8.1 |
| 2022-11-30 22:00 | 47.9 | 7.3 | 4.2 | 589.8 | 21.3 | 11.8 |
| 2022-11-30 21:00 | 46.6 | 8.6 | 4.1 | 643.2 | 24.6 | 14.0 |
| 2022-11-30 20:00 | 49.1 | 7.1 | 7.4 | 780.6 | 30.3 | 15.4 |
| 2022-11-30 19:00 | 55.4 | 8.2 | 5.0 | 869.5 | 34.8 | 16.1 |
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.
