Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-09-27 22:00 | 36.5 | 55.0 | 5.0 | - | 23.9 | 14.7 |
| 2023-09-27 21:00 | 41.7 | 45.0 | 4.9 | - | 24.6 | 16.1 |
| 2023-09-27 20:00 | 49.0 | 35.9 | 4.9 | - | 20.3 | 12.1 |
| 2023-09-27 19:00 | 43.6 | 45.1 | 4.7 | - | 20.9 | 12.9 |
| 2023-09-27 18:00 | 39.6 | 74.5 | 5.0 | - | 23.6 | 14.7 |
| 2023-09-27 17:00 | 52.0 | 81.3 | 5.7 | - | 27.9 | 16.5 |
| 2023-09-27 16:00 | 51.6 | 80.9 | 5.6 | - | 24.3 | 15.7 |
| 2023-09-27 15:00 | 36.3 | 73.1 | 5.3 | - | 17.9 | 10.5 |
| 2023-09-27 14:00 | 39.2 | 67.0 | 5.2 | - | 19.1 | 11.7 |
| 2023-09-27 13:00 | 27.8 | 85.4 | 5.3 | - | 20.8 | 12.7 |
| 2023-09-27 12:00 | 35.4 | 87.7 | 5.4 | - | 22.2 | 13.8 |
| 2023-09-27 11:00 | 43.8 | 69.9 | 5.2 | - | 22.9 | 14.0 |
| 2023-09-27 10:00 | 45.8 | 50.5 | 4.8 | - | 21.1 | 11.6 |
| 2023-09-27 09:00 | 52.1 | 36.3 | 4.8 | - | 19.9 | 10.9 |
| 2023-09-27 08:00 | 59.4 | 24.0 | 4.7 | - | 18.7 | 10.4 |
| 2023-09-27 07:00 | 37.0 | 36.9 | 4.3 | - | 16.4 | 8.8 |
| 2023-09-27 06:00 | 18.8 | 46.5 | 4.4 | - | 17.1 | 8.3 |
| 2023-09-27 05:00 | 12.4 | 56.9 | 4.4 | - | 18.4 | 8.6 |
| 2023-09-27 04:00 | 11.8 | 61.9 | 4.6 | - | 22.0 | 11.5 |
| 2023-09-27 03:00 | 16.4 | 66.1 | 4.4 | - | 21.1 | 10.5 |
| 2023-09-27 02:00 | 17.1 | 66.9 | 4.4 | - | 21.2 | 11.2 |
| 2023-09-27 01:00 | 25.8 | - | 4.3 | - | 20.3 | 11.3 |
| 2023-09-27 00:00 | 27.8 | 62.4 | 4.1 | - | 19.2 | 10.6 |
| 2023-09-26 23:00 | 25.2 | 67.1 | 4.0 | - | 20.9 | 12.3 |
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.