Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-22 05:00 | 22.0 | 33.2 | 3.2 | - | 3.0 | 2.9 |
| 2021-10-22 04:00 | - | - | - | - | 4.9 | 3.0 |
| 2021-10-22 03:00 | 21.1 | 43.1 | 2.4 | - | 6.9 | 3.0 |
| 2021-10-22 02:00 | 29.4 | 35.4 | 2.5 | - | 9.8 | 3.9 |
| 2021-10-22 01:00 | 27.3 | 41.4 | 2.5 | - | 11.9 | 7.8 |
| 2021-10-22 00:00 | 42.3 | 31.9 | 2.7 | - | 11.1 | 8.0 |
| 2021-10-21 23:00 | 29.0 | 44.7 | 2.6 | - | 10.1 | - |
| 2021-10-21 22:00 | 36.3 | 37.7 | 2.7 | - | 20.3 | 11.2 |
| 2021-10-21 21:00 | 40.1 | 35.1 | 2.7 | - | 19.0 | 12.0 |
| 2021-10-21 20:00 | 48.1 | 30.6 | 3.3 | - | 18.1 | 11.3 |
| 2021-10-21 19:00 | 59.3 | 23.2 | 3.1 | - | 20.8 | 8.2 |
| 2021-10-21 18:00 | 64.8 | 17.2 | 2.9 | - | 27.3 | 8.0 |
| 2021-10-21 17:00 | 63.7 | 15.5 | 3.4 | - | 27.8 | 10.8 |
| 2021-10-21 16:00 | 67.7 | 15.5 | 3.9 | - | 29.9 | 12.9 |
| 2021-10-21 15:00 | 71.4 | 19.0 | 3.7 | - | 32.8 | 13.0 |
| 2021-10-21 14:00 | 56.5 | 29.2 | 2.8 | - | 31.1 | 15.8 |
| 2021-10-21 13:00 | 65.5 | 25.7 | 3.1 | - | 29.1 | 13.2 |
| 2021-10-21 12:00 | 46.3 | 52.6 | 2.5 | - | 33.7 | 17.7 |
| 2021-10-21 11:00 | 74.2 | 25.0 | 3.1 | - | 33.1 | 11.4 |
| 2021-10-21 10:00 | 68.6 | 22.7 | 2.8 | - | 36.8 | 10.1 |
| 2021-10-21 09:00 | 71.9 | 21.3 | 3.1 | - | 37.0 | 10.9 |
| 2021-10-21 08:00 | 81.7 | 10.2 | 3.9 | - | 22.0 | 8.2 |
| 2021-10-21 07:00 | 77.1 | 8.3 | 3.6 | - | 12.5 | 7.1 |
| 2021-10-21 06:00 | 50.9 | 18.2 | 2.9 | - | 18.6 | 7.0 |
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.
