Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-24 01:00 | - | - | - | - | 20.1 | 12.9 |
| 2021-06-24 00:00 | 63.2 | 2.2 | 6.7 | - | 12.3 | 12.0 |
| 2021-06-23 23:00 | 56.9 | 4.0 | 5.6 | - | 13.9 | 12.0 |
| 2021-06-23 22:00 | 57.4 | 6.8 | 5.6 | - | 17.8 | 12.0 |
| 2021-06-23 21:00 | 53.0 | 21.1 | 5.4 | - | 16.1 | 9.1 |
| 2021-06-23 20:00 | 71.2 | 11.9 | 6.6 | - | 18.9 | 8.0 |
| 2021-06-23 19:00 | 84.4 | 2.8 | 6.9 | - | 11.3 | 8.0 |
| 2021-06-23 18:00 | 71.7 | 9.8 | 6.4 | - | 7.2 | - |
| 2021-06-23 17:00 | 65.1 | 13.0 | 6.3 | - | 3.4 | - |
| 2021-06-23 16:00 | 75.2 | 8.2 | 7.2 | - | 5.9 | - |
| 2021-06-23 15:00 | 82.5 | 4.6 | 7.1 | - | 10.8 | - |
| 2021-06-23 14:00 | 65.3 | 19.5 | 5.7 | - | 14.8 | 14.0 |
| 2021-06-23 13:00 | 66.8 | 6.6 | 7.2 | - | 30.3 | 13.0 |
| 2021-06-23 12:00 | 78.0 | 5.6 | 8.8 | - | 25.4 | 17.8 |
| 2021-06-23 11:00 | 67.9 | 7.3 | 7.5 | - | 22.2 | 13.2 |
| 2021-06-23 10:00 | 75.7 | 4.2 | 7.5 | - | 17.2 | - |
| 2021-06-23 09:00 | 77.3 | 6.1 | 7.4 | - | 19.9 | 9.4 |
| 2021-06-23 08:00 | 69.8 | 9.1 | 8.3 | - | 11.4 | 6.1 |
| 2021-06-23 07:00 | 65.0 | 4.9 | 7.9 | - | 5.3 | - |
| 2021-06-23 06:00 | 60.7 | 2.9 | 7.4 | - | 2.1 | - |
| 2021-06-23 05:00 | 46.8 | 14.3 | 6.0 | - | 5.8 | 5.0 |
| 2021-06-23 04:00 | 43.2 | 19.9 | 5.6 | - | 8.9 | 7.9 |
| 2021-06-23 03:00 | 46.6 | 18.4 | 5.9 | - | 11.9 | 8.0 |
| 2021-06-23 02:00 | 62.6 | 6.8 | 6.7 | - | 9.1 | 5.1 |
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.