Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2019-05-20 02:00 | 21.2 | 29.1 | 5.5 | - | 20.1 | 10.0 |
| 2019-05-20 01:00 | 38.3 | 17.4 | 8.0 | - | 29.0 | 13.0 |
| 2019-05-20 00:00 | 49.6 | 13.5 | 8.9 | - | 24.0 | 12.7 |
| 2019-05-19 23:00 | 55.5 | 8.5 | 6.2 | - | 32.0 | 11.0 |
| 2019-05-19 22:00 | 58.2 | 10.0 | 5.9 | - | 27.0 | 17.8 |
| 2019-05-19 21:00 | 63.6 | 8.7 | 5.5 | - | 34.0 | 22.0 |
| 2019-05-19 20:00 | 58.1 | 11.3 | 7.4 | - | 31.0 | 18.0 |
| 2019-05-19 19:00 | 64.9 | 10.8 | 8.6 | - | 28.0 | 12.0 |
| 2019-05-19 18:00 | 63.8 | 16.8 | 8.4 | - | 35.0 | 12.8 |
| 2019-05-19 17:00 | 63.4 | 21.8 | 7.8 | - | 32.0 | 16.2 |
| 2019-05-19 16:00 | 54.1 | 28.8 | 8.5 | - | 35.0 | 21.0 |
| 2019-05-19 15:00 | 47.2 | 37.5 | 7.7 | - | 33.0 | 15.0 |
| 2019-05-19 14:00 | 55.5 | 29.1 | 7.7 | - | 31.1 | 20.0 |
| 2019-05-19 13:00 | 61.3 | 25.8 | 6.6 | - | 35.0 | 21.0 |
| 2019-05-19 12:00 | 57.4 | 27.2 | 6.6 | - | 30.0 | 14.0 |
| 2019-05-19 11:00 | 57.6 | 24.5 | 8.3 | - | 33.0 | 15.0 |
| 2019-05-19 10:00 | 58.6 | 22.9 | 7.1 | - | 32.0 | 14.9 |
| 2019-05-19 09:00 | 60.5 | 21.1 | 6.4 | - | 29.0 | 17.0 |
| 2019-05-19 08:00 | 49.2 | 27.7 | 6.6 | - | 29.9 | 20.0 |
| 2019-05-19 07:00 | 37.5 | 32.6 | 6.1 | - | 18.8 | 16.0 |
| 2019-05-19 06:00 | 30.6 | 36.3 | 5.0 | - | 18.0 | 18.0 |
| 2019-05-19 05:00 | 19.8 | 40.2 | 5.4 | - | 21.0 | 11.0 |
| 2019-05-19 04:00 | 14.9 | 43.0 | 5.5 | - | 24.0 | 11.0 |
| 2019-05-19 03:00 | 17.1 | 39.3 | 4.4 | - | 25.0 | 10.0 |
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.
