Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-05-18 15:00 | 45.3 | 21.3 | 3.7 | - | 25.2 | 12.2 |
| 2021-05-18 14:00 | 45.4 | 22.9 | 3.9 | - | 22.1 | 13.0 |
| 2021-05-18 13:00 | 39.5 | 28.6 | 3.7 | - | 27.7 | 13.0 |
| 2021-05-18 12:00 | 44.1 | 25.4 | 4.1 | - | 35.6 | 11.4 |
| 2021-05-18 11:00 | 36.6 | 26.5 | 3.4 | - | 20.7 | 11.0 |
| 2021-05-18 10:00 | 44.8 | 16.0 | 4.2 | - | 14.3 | - |
| 2021-05-18 09:00 | 47.3 | 8.7 | 4.1 | - | 19.7 | 13.1 |
| 2021-05-18 08:00 | 40.1 | 11.1 | 3.5 | - | 11.4 | 10.1 |
| 2021-05-18 07:00 | 36.0 | 12.6 | 3.2 | - | 9.1 | - |
| 2021-05-18 06:00 | 16.1 | 24.5 | 2.6 | - | 10.0 | - |
| 2021-05-18 05:00 | 11.2 | 24.7 | 2.7 | - | 8.1 | - |
| 2021-05-18 04:00 | 9.8 | 27.7 | 2.7 | - | 6.1 | - |
| 2021-05-18 03:00 | 13.1 | 22.1 | 2.7 | - | 10.8 | 9.0 |
| 2021-05-18 02:00 | 19.3 | 16.4 | 2.7 | - | 12.9 | 10.0 |
| 2021-05-18 01:00 | 22.4 | 15.2 | 2.7 | - | 10.1 | - |
| 2021-05-18 00:00 | 22.6 | 16.0 | 2.8 | - | 7.1 | - |
| 2021-05-17 23:00 | 23.8 | 18.2 | 2.7 | - | 16.5 | 11.0 |
| 2021-05-17 22:00 | 32.1 | 12.0 | 3.1 | - | 18.0 | 8.1 |
| 2021-05-17 21:00 | 21.9 | 15.7 | 2.7 | - | 16.1 | 9.0 |
| 2021-05-17 20:00 | 32.0 | 11.1 | 2.9 | - | 24.6 | 10.0 |
| 2021-05-17 19:00 | 34.4 | 11.3 | 3.6 | - | 19.3 | 11.9 |
| 2021-05-17 18:00 | 31.9 | 17.3 | 3.4 | - | 26.6 | 13.9 |
| 2021-05-17 17:00 | 40.4 | 18.9 | 3.5 | - | 27.0 | 13.0 |
| 2021-05-17 16:00 | 38.4 | 20.8 | 3.6 | - | 26.0 | 13.0 |
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.
