Causeway Bay
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-01-27 07:00 | 57.4 | 40.6 | 2.7 | 770.0 | 29.8 | 22.1 |
| 2022-01-27 06:00 | 36.0 | 61.1 | 2.2 | 621.7 | 25.9 | 21.0 |
| 2022-01-27 05:00 | 39.0 | 54.9 | 2.1 | 1,035.2 | 24.8 | 19.4 |
| 2022-01-27 04:00 | - | 58.7 | - | - | 24.2 | 18.3 |
| 2022-01-27 03:00 | 29.3 | 63.5 | 2.0 | 637.1 | 24.4 | 16.7 |
| 2022-01-27 02:00 | 39.3 | 57.9 | 2.1 | 1,024.0 | 30.0 | 19.7 |
| 2022-01-27 01:00 | 51.0 | 53.6 | 2.7 | 678.5 | 36.4 | 24.4 |
| 2022-01-27 00:00 | 77.8 | 35.8 | 3.7 | 807.0 | 42.7 | 29.1 |
| 2022-01-26 23:00 | 69.6 | 47.8 | 3.0 | 706.1 | 47.6 | 33.0 |
| 2022-01-26 22:00 | 45.0 | 67.6 | 2.8 | 647.9 | 51.7 | 34.0 |
| 2022-01-26 21:00 | 62.3 | 56.1 | 3.1 | 759.8 | 55.0 | 36.0 |
| 2022-01-26 20:00 | 63.5 | 50.4 | 3.6 | 870.4 | 50.6 | 33.0 |
| 2022-01-26 19:00 | 68.6 | 48.6 | 3.7 | 957.9 | 43.2 | 27.3 |
| 2022-01-26 18:00 | 71.3 | 44.3 | 3.6 | 970.3 | 44.2 | 28.9 |
| 2022-01-26 17:00 | 87.6 | 34.3 | 4.6 | 867.5 | 49.1 | 33.3 |
| 2022-01-26 16:00 | 85.2 | 31.0 | 4.3 | 1,007.1 | 50.1 | 33.2 |
| 2022-01-26 15:00 | 78.5 | 39.2 | 4.0 | 786.1 | 40.0 | 25.9 |
| 2022-01-26 14:00 | 78.1 | 32.6 | 4.2 | 741.8 | 35.6 | 24.1 |
| 2022-01-26 13:00 | 73.7 | 31.8 | 4.4 | 786.6 | 49.5 | 33.9 |
| 2022-01-26 12:00 | 69.5 | 31.9 | 3.4 | 753.9 | 53.9 | 35.3 |
| 2022-01-26 11:00 | 65.8 | 23.3 | 3.6 | 854.8 | 45.2 | 28.2 |
| 2022-01-26 10:00 | 71.1 | 16.7 | 5.2 | 887.6 | 42.8 | 29.3 |
| 2022-01-26 09:00 | 79.0 | 11.0 | 5.4 | 894.0 | 36.3 | 26.1 |
| 2022-01-26 08:00 | 71.6 | 17.8 | 3.7 | 793.8 | 34.0 | 22.5 |
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.
