Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-09-22 19:00 | 26.2 | 37.3 | 1.9 | - | 12.0 | 4.1 |
| 2021-09-22 18:00 | 32.4 | 34.0 | 2.0 | - | 10.1 | 5.0 |
| 2021-09-22 17:00 | 21.7 | 45.7 | 2.1 | - | 9.0 | 5.9 |
| 2021-09-22 16:00 | 26.1 | 35.1 | 2.2 | - | 9.0 | 6.0 |
| 2021-09-22 15:00 | 20.3 | 42.9 | 2.0 | - | 25.2 | 6.0 |
| 2021-09-22 14:00 | 18.1 | 44.1 | 2.0 | - | 7.9 | 6.0 |
| 2021-09-22 13:00 | 21.9 | 38.9 | 2.1 | - | 9.9 | 6.0 |
| 2021-09-22 12:00 | 26.6 | 33.4 | 2.0 | - | 19.5 | 4.1 |
| 2021-09-22 11:00 | 25.8 | 25.5 | 2.1 | - | 10.5 | 3.0 |
| 2021-09-22 10:00 | 18.2 | 23.1 | 2.0 | - | 10.0 | 4.0 |
| 2021-09-22 09:00 | 12.9 | 21.8 | 2.0 | - | 9.0 | 5.8 |
| 2021-09-22 08:00 | 25.8 | 11.0 | 2.7 | - | 8.0 | 4.3 |
| 2021-09-22 07:00 | 31.6 | 6.5 | 3.1 | - | 5.1 | 3.1 |
| 2021-09-22 06:00 | 24.8 | 10.6 | 2.6 | - | 6.0 | 5.9 |
| 2021-09-22 05:00 | 24.6 | 13.0 | 3.2 | - | 7.9 | 6.0 |
| 2021-09-22 04:00 | - | - | - | - | 8.0 | 3.1 |
| 2021-09-22 03:00 | 28.6 | 13.5 | 2.1 | - | 9.9 | 1.1 |
| 2021-09-22 02:00 | 34.3 | 10.1 | 2.4 | - | 11.9 | 2.0 |
| 2021-09-22 01:00 | 44.5 | - | 2.7 | - | 13.5 | 5.8 |
| 2021-09-22 00:00 | 50.8 | 8.3 | 3.3 | - | 21.6 | 6.0 |
| 2021-09-21 23:00 | 59.6 | 13.2 | 3.1 | - | 9.6 | 7.0 |
| 2021-09-21 22:00 | 52.8 | 21.5 | 2.3 | - | 11.9 | 8.0 |
| 2021-09-21 21:00 | 72.0 | 14.5 | 2.7 | - | 11.1 | 8.0 |
| 2021-09-21 20:00 | 88.2 | 4.1 | 3.9 | - | 8.2 | 8.0 |
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.
