Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-16 10:00 | 58.8 | 18.2 | 3.3 | - | 31.4 | 13.3 |
| 2021-10-16 09:00 | 46.6 | 15.5 | 3.1 | - | 22.9 | 14.9 |
| 2021-10-16 08:00 | 42.3 | 16.1 | 2.8 | - | 20.1 | 16.9 |
| 2021-10-16 07:00 | 40.9 | 16.6 | 3.1 | - | 22.4 | 12.2 |
| 2021-10-16 06:00 | 21.2 | 34.8 | 2.7 | - | 23.0 | 10.1 |
| 2021-10-16 05:00 | 16.5 | 43.2 | 3.2 | - | 22.6 | 11.9 |
| 2021-10-16 04:00 | - | - | - | - | 10.6 | 8.2 |
| 2021-10-16 03:00 | 20.4 | 41.5 | 2.6 | - | 20.5 | 5.1 |
| 2021-10-16 02:00 | 22.9 | 42.7 | 2.6 | - | 21.0 | 8.8 |
| 2021-10-16 01:00 | 22.6 | 39.0 | 2.2 | - | 16.2 | 9.0 |
| 2021-10-16 00:00 | 31.3 | 31.3 | 2.4 | - | 19.8 | 6.8 |
| 2021-10-15 23:00 | 33.1 | 32.2 | 2.6 | - | 15.2 | 6.0 |
| 2021-10-15 22:00 | 35.8 | 28.5 | 2.6 | - | 8.3 | 7.9 |
| 2021-10-15 21:00 | 45.3 | 21.6 | 2.7 | - | 9.9 | 6.8 |
| 2021-10-15 20:00 | 43.7 | 23.7 | 2.6 | - | 9.0 | 5.1 |
| 2021-10-15 19:00 | 43.7 | 22.9 | 2.6 | - | 9.0 | 5.0 |
| 2021-10-15 18:00 | 38.1 | 27.4 | 2.4 | - | 6.1 | 5.0 |
| 2021-10-15 17:00 | 41.4 | 25.5 | 2.8 | - | 4.1 | - |
| 2021-10-15 16:00 | 54.5 | 22.9 | 3.1 | - | 6.9 | - |
| 2021-10-15 15:00 | 51.2 | 25.9 | 3.1 | - | 5.1 | - |
| 2021-10-15 14:00 | 48.4 | 26.6 | 2.8 | - | 15.5 | 9.0 |
| 2021-10-15 13:00 | 46.4 | 22.4 | 3.0 | - | 2.6 | - |
| 2021-10-15 12:00 | 36.9 | 23.8 | 2.8 | - | 20.1 | 13.0 |
| 2021-10-15 11:00 | 46.1 | 14.8 | 3.4 | - | 25.0 | 15.9 |
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.