Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-12-04 09:00 | 58.2 | 58.3 | 2.7 | - | 24.6 | 10.4 |
| 2021-12-04 08:00 | 45.6 | 61.5 | 2.8 | - | 25.6 | 10.3 |
| 2021-12-04 07:00 | 29.0 | 78.7 | 3.0 | - | 25.0 | 12.0 |
| 2021-12-04 06:00 | 21.0 | 83.6 | 3.4 | - | 22.0 | 9.4 |
| 2021-12-04 05:00 | 17.3 | 88.1 | 4.0 | - | 21.8 | 9.7 |
| 2021-12-04 04:00 | 15.7 | 91.7 | 4.0 | - | 26.0 | 13.0 |
| 2021-12-04 03:00 | 20.4 | 82.2 | 4.2 | - | 27.8 | 12.1 |
| 2021-12-04 02:00 | 29.7 | 73.5 | 4.1 | - | 30.2 | 10.7 |
| 2021-12-04 01:00 | 43.1 | 62.2 | 3.8 | - | 34.4 | 10.0 |
| 2021-12-04 00:00 | 49.6 | 59.5 | 3.5 | - | 38.4 | 12.4 |
| 2021-12-03 23:00 | 49.3 | 61.7 | 2.7 | - | 37.6 | 10.6 |
| 2021-12-03 22:00 | 55.2 | 58.2 | 2.9 | - | 33.0 | 12.7 |
| 2021-12-03 21:00 | 52.6 | 63.2 | 1.8 | - | 33.4 | 13.8 |
| 2021-12-03 20:00 | 62.5 | 59.1 | 2.2 | - | 43.2 | 16.1 |
| 2021-12-03 19:00 | 54.7 | 69.0 | 2.0 | - | 50.9 | 15.1 |
| 2021-12-03 18:00 | 58.8 | 72.5 | 1.9 | - | 46.0 | 12.8 |
| 2021-12-03 17:00 | 58.4 | 76.4 | 2.1 | - | 43.5 | 12.6 |
| 2021-12-03 16:00 | 44.3 | 86.5 | 2.1 | - | 39.0 | 9.7 |
| 2021-12-03 15:00 | 46.4 | 89.5 | 1.9 | - | 33.1 | 8.3 |
| 2021-12-03 14:00 | 41.2 | 89.2 | 1.7 | - | 37.1 | 10.5 |
| 2021-12-03 13:00 | 42.3 | 86.4 | 2.1 | - | 42.9 | 11.3 |
| 2021-12-03 12:00 | 43.2 | 81.3 | 2.3 | - | 44.5 | 11.1 |
| 2021-12-03 11:00 | 37.5 | 81.3 | 2.5 | - | 38.9 | 10.2 |
| 2021-12-03 10:00 | 41.3 | 74.1 | 2.5 | - | 31.0 | 10.7 |
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.
