Past 24 Hours Pollutant Concentration Summary
Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-06-08 16:00 | 11.6 | 47.3 | 3.4 | - | 7.7 | 4.9 |
| 2023-06-08 15:00 | 12.7 | 49.8 | 3.5 | - | - | - |
| 2023-06-08 14:00 | 10.1 | 54.8 | 4.0 | - | - | - |
| 2023-06-08 13:00 | 6.5 | 56.8 | 4.2 | - | - | - |
| 2023-06-08 12:00 | 7.5 | 57.7 | 4.0 | - | - | - |
| 2023-06-08 11:00 | 12.4 | 55.8 | 3.4 | - | 2.5 | 0.7 |
| 2023-06-08 10:00 | 14.9 | 43.4 | 3.6 | - | 1.5 | 1.1 |
| 2023-06-08 09:00 | 14.8 | 42.8 | 3.4 | - | 1.8 | 1.2 |
| 2023-06-08 08:00 | 15.2 | 41.2 | 3.5 | - | 2.6 | 1.5 |
| 2023-06-08 07:00 | 7.9 | 47.3 | 3.4 | - | 1.6 | 1.1 |
| 2023-06-08 06:00 | 7.9 | 49.9 | 3.5 | - | 3.9 | 2.4 |
| 2023-06-08 05:00 | 6.7 | 54.7 | 3.4 | - | 1.7 | 1.0 |
| 2023-06-08 04:00 | 6.1 | 55.4 | 3.2 | - | 2.4 | 0.9 |
| 2023-06-08 03:00 | 7.0 | 53.3 | 3.3 | - | 3.0 | 1.0 |
| 2023-06-08 02:00 | 5.5 | 53.7 | 3.4 | - | 2.7 | 1.0 |
| 2023-06-08 01:00 | 8.9 | 51.2 | 3.4 | - | 3.4 | 1.6 |
| 2023-06-08 00:00 | 10.7 | - | 3.7 | - | 3.8 | 2.1 |
| 2023-06-07 23:00 | 11.3 | 50.0 | 3.6 | - | 2.2 | 0.8 |
| 2023-06-07 22:00 | 21.2 | 40.5 | 3.9 | - | 5.7 | 3.2 |
| 2023-06-07 21:00 | 17.7 | 43.2 | 3.6 | - | 3.9 | 1.4 |
| 2023-06-07 20:00 | 15.0 | 48.3 | 3.7 | - | 6.7 | 3.0 |
| 2023-06-07 19:00 | 14.7 | 48.3 | 3.7 | - | 4.3 | 2.3 |
| 2023-06-07 18:00 | 8.5 | 55.6 | 3.3 | - | 3.9 | 2.1 |
| 2023-06-07 17:00 | 13.2 | 50.1 | 3.3 | - | 3.4 | 2.7 |
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.