Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2019-07-21 03:00 | 46.9 | 11.7 | 5.1 | - | 13.1 | 13.0 |
| 2019-07-21 02:00 | 47.5 | 15.7 | 7.1 | - | 16.4 | - |
| 2019-07-21 01:00 | 62.9 | 6.6 | 6.2 | - | 20.0 | - |
| 2019-07-21 00:00 | 63.3 | 6.6 | 3.9 | - | 20.0 | 18.0 |
| 2019-07-20 23:00 | 62.4 | 8.0 | 4.6 | - | 19.1 | - |
| 2019-07-20 22:00 | 60.8 | 10.0 | 5.8 | - | 25.0 | - |
| 2019-07-20 21:00 | 68.8 | 5.4 | 4.8 | - | 24.0 | - |
| 2019-07-20 20:00 | 76.0 | 5.1 | 4.8 | - | 21.1 | 9.0 |
| 2019-07-20 19:00 | 59.2 | 17.5 | 4.5 | - | 28.3 | 15.0 |
| 2019-07-20 18:00 | 72.6 | 9.7 | 5.0 | - | 47.0 | 29.0 |
| 2019-07-20 17:00 | 90.3 | 5.8 | 5.2 | - | 45.8 | - |
| 2019-07-20 16:00 | 77.9 | 10.1 | 4.8 | - | 28.1 | - |
| 2019-07-20 15:00 | 64.3 | 18.7 | 5.2 | - | 35.0 | 16.1 |
| 2019-07-20 14:00 | 71.5 | 15.7 | 5.8 | - | 32.3 | 17.0 |
| 2019-07-20 13:00 | 61.4 | 16.1 | 4.2 | - | 50.9 | 23.6 |
| 2019-07-20 12:00 | 61.2 | 21.4 | 4.7 | - | 42.1 | 21.1 |
| 2019-07-20 11:00 | 50.8 | 26.9 | 9.6 | - | 48.8 | 21.1 |
| 2019-07-20 10:00 | 49.9 | 24.9 | 8.7 | - | 34.9 | 20.0 |
| 2019-07-20 09:00 | 58.9 | 17.1 | 5.1 | - | 31.0 | 12.0 |
| 2019-07-20 08:00 | 49.0 | 21.3 | 4.7 | - | 29.9 | 14.0 |
| 2019-07-20 07:00 | 39.1 | 23.0 | 4.6 | - | 19.0 | 13.0 |
| 2019-07-20 06:00 | 25.2 | 32.6 | 4.9 | - | 21.0 | 11.0 |
| 2019-07-20 05:00 | 19.0 | 37.8 | 4.7 | - | 19.1 | 11.0 |
| 2019-07-20 04:00 | 18.5 | 38.2 | 5.1 | - | 24.0 | 12.7 |
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.
