Past 24 Hours Pollutant Concentration Summary
Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-12-08 09:00 | 59.7 | 56.7 | 3.2 | - | 30.4 | 14.1 |
| 2023-12-08 08:00 | 61.3 | 51.7 | 2.6 | - | 28.5 | 12.9 |
| 2023-12-08 07:00 | 50.2 | 60.3 | 2.4 | - | 26.8 | 12.9 |
| 2023-12-08 06:00 | 30.5 | 72.4 | 2.4 | - | 24.5 | 11.1 |
| 2023-12-08 05:00 | 22.8 | 91.3 | 2.4 | - | 23.4 | 11.1 |
| 2023-12-08 04:00 | 17.7 | 96.6 | 2.3 | - | 21.9 | 11.0 |
| 2023-12-08 03:00 | 25.0 | 86.6 | 2.0 | - | 20.6 | 10.1 |
| 2023-12-08 02:00 | 21.7 | 94.8 | 1.9 | - | 19.5 | 9.4 |
| 2023-12-08 01:00 | 34.0 | 83.5 | 2.1 | - | 19.2 | 10.5 |
| 2023-12-08 00:00 | 39.1 | 81.7 | 2.2 | - | 23.3 | 11.2 |
| 2023-12-07 23:00 | 42.1 | 80.8 | 2.0 | - | 22.8 | 11.6 |
| 2023-12-07 22:00 | 54.0 | 66.5 | 1.8 | - | 19.0 | 10.0 |
| 2023-12-07 21:00 | 57.2 | 64.5 | 1.5 | - | 20.7 | 11.3 |
| 2023-12-07 20:00 | 71.1 | 56.3 | 1.8 | - | 20.6 | 9.2 |
| 2023-12-07 19:00 | 60.4 | 74.4 | 2.0 | - | 22.7 | 10.7 |
| 2023-12-07 18:00 | 62.6 | 73.3 | 1.4 | - | 19.2 | 8.1 |
| 2023-12-07 17:00 | 61.7 | 73.5 | 1.3 | - | 20.8 | 9.1 |
| 2023-12-07 16:00 | 41.8 | 91.6 | 1.7 | - | 19.2 | 8.7 |
| 2023-12-07 15:00 | 39.3 | 90.0 | 1.5 | - | 21.3 | 10.0 |
| 2023-12-07 14:00 | 30.7 | 93.0 | 1.6 | - | 19.4 | 7.2 |
| 2023-12-07 13:00 | 36.7 | 86.1 | 2.0 | - | 21.9 | 7.3 |
| 2023-12-07 12:00 | 41.6 | 73.9 | 2.3 | - | 21.8 | 6.6 |
| 2023-12-07 11:00 | 51.9 | 53.3 | 2.0 | - | 19.7 | 8.6 |
| 2023-12-07 10:00 | 61.2 | 42.4 | 1.6 | - | 16.1 | 8.6 |
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.