Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2023-03-20 23:00 | 48.4 | 49.9 | 5.2 | - | 53.0 | 22.5 |
| 2023-03-20 22:00 | 43.2 | 63.4 | 5.0 | - | 58.0 | 23.0 |
| 2023-03-20 21:00 | 57.2 | 58.6 | 5.2 | - | 57.1 | 23.9 |
| 2023-03-20 20:00 | 57.0 | 58.7 | 5.4 | - | 52.7 | 22.4 |
| 2023-03-20 19:00 | 62.7 | 58.6 | 5.7 | - | 57.2 | 24.8 |
| 2023-03-20 18:00 | 61.4 | 64.1 | 5.6 | - | 56.3 | 25.2 |
| 2023-03-20 17:00 | 60.8 | 61.3 | 5.4 | - | 49.0 | 20.9 |
| 2023-03-20 16:00 | 57.2 | 62.8 | 5.4 | - | 47.4 | 21.0 |
| 2023-03-20 15:00 | 51.7 | 62.8 | 5.1 | - | 48.5 | 19.6 |
| 2023-03-20 14:00 | 49.7 | 63.9 | 5.4 | - | 50.9 | 20.7 |
| 2023-03-20 13:00 | 64.7 | 47.9 | 5.4 | - | 53.1 | 20.2 |
| 2023-03-20 12:00 | 66.3 | 40.0 | 5.3 | - | - | - |
| 2023-03-20 11:00 | 76.6 | 27.1 | 5.7 | - | - | - |
| 2023-03-20 10:00 | 74.8 | 25.8 | 7.0 | - | 43.4 | 22.0 |
| 2023-03-20 09:00 | 71.7 | 26.8 | 7.2 | - | 35.3 | 21.0 |
| 2023-03-20 08:00 | 59.2 | 36.8 | 6.7 | - | 27.1 | 17.3 |
| 2023-03-20 07:00 | 52.3 | 40.9 | 6.6 | - | 26.2 | 14.0 |
| 2023-03-20 06:00 | 21.7 | 72.0 | 6.5 | - | 22.4 | 12.5 |
| 2023-03-20 05:00 | 15.7 | 75.8 | 6.4 | - | 14.4 | 9.4 |
| 2023-03-20 04:00 | - | - | - | - | 14.1 | 10.5 |
| 2023-03-20 03:00 | 14.0 | 83.3 | 6.1 | - | 13.7 | 9.2 |
| 2023-03-20 02:00 | 25.9 | 73.0 | 5.9 | - | 12.0 | 8.3 |
| 2023-03-20 01:00 | 31.5 | 65.7 | 6.1 | - | 14.3 | 10.7 |
| 2023-03-20 00:00 | 49.1 | 55.2 | 6.2 | - | 17.8 | 12.8 |
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.
