Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2019-02-22 19:00 | 74.5 | 47.2 | 4.5 | - | 11.1 | 8.0 |
| 2019-02-22 18:00 | 46.7 | 58.6 | 5.6 | - | 21.0 | 10.0 |
| 2019-02-22 17:00 | 51.6 | 62.0 | 5.7 | - | 16.3 | 12.8 |
| 2019-02-22 16:00 | 49.1 | 75.4 | 7.2 | - | 25.0 | 13.0 |
| 2019-02-22 15:00 | 54.4 | 76.2 | 7.4 | - | 18.0 | 12.0 |
| 2019-02-22 14:00 | 49.3 | 61.4 | 6.5 | - | 25.0 | 12.1 |
| 2019-02-22 13:00 | 54.4 | 23.5 | 6.2 | - | 32.7 | 18.0 |
| 2019-02-22 12:00 | 62.7 | 5.8 | 7.0 | - | 30.0 | 19.0 |
| 2019-02-22 11:00 | 56.1 | 5.5 | 6.9 | - | 30.0 | 13.0 |
| 2019-02-22 10:00 | 53.1 | 5.0 | 6.5 | - | 24.0 | 13.0 |
| 2019-02-22 09:00 | 50.7 | 3.0 | 5.6 | - | 21.0 | - |
| 2019-02-22 08:00 | 50.7 | 1.9 | 7.0 | - | 19.0 | 13.0 |
| 2019-02-22 07:00 | 44.4 | 1.7 | 6.4 | - | 13.0 | - |
| 2019-02-22 06:00 | 39.0 | 2.0 | 5.8 | - | 13.3 | - |
| 2019-02-22 05:00 | 40.2 | 1.7 | 5.9 | - | 13.3 | 10.0 |
| 2019-02-22 04:00 | 44.3 | 1.8 | 6.4 | - | 16.0 | 13.0 |
| 2019-02-22 03:00 | 46.5 | 1.8 | 5.5 | - | 24.0 | 15.0 |
| 2019-02-22 02:00 | 51.1 | 2.3 | 4.8 | - | 25.0 | 20.1 |
| 2019-02-22 01:00 | 44.0 | 27.0 | 4.1 | - | 30.0 | 22.0 |
| 2019-02-22 00:00 | 46.0 | 27.3 | 4.8 | - | 26.8 | 18.0 |
| 2019-02-21 23:00 | 56.7 | 22.1 | 4.2 | - | 39.0 | 22.0 |
| 2019-02-21 22:00 | 50.3 | 32.5 | 3.6 | - | 41.0 | 24.1 |
| 2019-02-21 21:00 | 53.9 | 34.6 | 3.9 | - | 38.0 | 30.0 |
| 2019-02-21 20:00 | 53.2 | 43.9 | 5.3 | - | 36.9 | 29.0 |
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.
