Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-09-27 09:00 | 49.9 | 23.6 | 5.4 | - | 23.8 | 9.3 |
| 2022-09-27 08:00 | 49.1 | 22.8 | 5.6 | - | 20.4 | 10.0 |
| 2022-09-27 07:00 | 37.8 | 30.4 | 4.9 | - | 16.7 | 10.6 |
| 2022-09-27 06:00 | 21.0 | 44.8 | 4.4 | - | 15.6 | 11.0 |
| 2022-09-27 05:00 | 11.2 | 53.5 | 5.0 | - | 16.3 | 9.1 |
| 2022-09-27 04:00 | - | - | - | - | 17.3 | 8.4 |
| 2022-09-27 03:00 | 11.9 | 56.2 | 4.7 | - | 22.3 | 8.1 |
| 2022-09-27 02:00 | 17.0 | 56.3 | 4.9 | - | 22.5 | 6.6 |
| 2022-09-27 01:00 | 20.7 | 66.6 | 4.7 | - | 16.6 | 6.6 |
| 2022-09-27 00:00 | 21.7 | 72.6 | 4.2 | - | 17.7 | 9.3 |
| 2022-09-26 23:00 | 37.2 | 51.5 | 4.4 | - | 22.4 | 10.1 |
| 2022-09-26 22:00 | 36.7 | 55.5 | 4.1 | - | 27.3 | 9.7 |
| 2022-09-26 21:00 | 33.1 | 66.8 | 4.2 | - | 26.4 | 8.5 |
| 2022-09-26 20:00 | 37.9 | 75.4 | 4.1 | - | 26.8 | 9.3 |
| 2022-09-26 19:00 | 37.8 | 78.9 | 4.6 | - | 33.1 | 15.1 |
| 2022-09-26 18:00 | 39.3 | 103.8 | 5.2 | - | 37.0 | 19.6 |
| 2022-09-26 17:00 | 39.3 | 119.1 | 5.6 | - | 38.0 | 19.1 |
| 2022-09-26 16:00 | 68.5 | 91.6 | 5.6 | - | 35.3 | 15.4 |
| 2022-09-26 15:00 | 60.6 | 94.4 | 6.4 | - | 30.8 | 16.2 |
| 2022-09-26 14:00 | 70.8 | 86.7 | 6.8 | - | 31.4 | 18.6 |
| 2022-09-26 13:00 | 48.8 | 106.7 | 6.9 | - | 36.1 | 17.5 |
| 2022-09-26 12:00 | 39.6 | 117.3 | 6.2 | - | 39.8 | 17.7 |
| 2022-09-26 11:00 | 46.0 | 106.8 | 5.5 | - | 40.8 | 16.8 |
| 2022-09-26 10:00 | 58.5 | 83.9 | 5.6 | - | 39.9 | 18.5 |
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.