Past 24 Hours Pollutant Concentration Summary
Kwun Tong
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2018-08-18 18:00 | 87.7 | 5.7 | 7.3 | - | 35.3 | 21.5 |
| 2018-08-18 17:00 | 98.9 | 5.8 | 7.2 | - | 44.2 | 26.8 |
| 2018-08-18 16:00 | 91.9 | 8.3 | 6.6 | - | 49.0 | 22.1 |
| 2018-08-18 15:00 | 82.9 | 10.2 | 6.2 | - | 48.6 | 23.8 |
| 2018-08-18 14:00 | 69.1 | 18.3 | 4.8 | - | 35.6 | 18.5 |
| 2018-08-18 13:00 | 55.2 | 24.3 | 4.4 | - | 54.8 | 29.0 |
| 2018-08-18 12:00 | 74.6 | 8.2 | 5.8 | - | 48.5 | 28.2 |
| 2018-08-18 11:00 | 69.4 | 6.7 | 6.1 | - | 65.5 | 31.7 |
| 2018-08-18 10:00 | 71.3 | 7.0 | 5.2 | - | 48.5 | 24.8 |
| 2018-08-18 09:00 | 61.9 | 8.5 | 5.4 | - | 31.7 | 20.8 |
| 2018-08-18 08:00 | 67.1 | 6.1 | 4.8 | - | 22.8 | 15.8 |
| 2018-08-18 07:00 | 58.2 | 4.0 | 4.5 | - | 17.0 | 10.0 |
| 2018-08-18 06:00 | 49.3 | 7.9 | 4.4 | - | 12.1 | 9.0 |
| 2018-08-18 05:00 | 36.1 | 17.0 | 5.0 | - | 11.0 | 10.0 |
| 2018-08-18 04:00 | 47.6 | 8.8 | 9.0 | - | 10.1 | 9.1 |
| 2018-08-18 03:00 | 26.2 | 30.2 | 2.6 | - | 12.0 | 11.1 |
| 2018-08-18 02:00 | 28.5 | 28.3 | 3.3 | - | 13.5 | - |
| 2018-08-18 01:00 | 45.5 | 16.9 | 4.5 | - | 27.9 | 17.0 |
| 2018-08-18 00:00 | 60.8 | 5.4 | 6.1 | - | 24.2 | 16.1 |
| 2018-08-17 23:00 | 60.5 | 7.9 | 6.4 | - | 31.1 | 19.0 |
| 2018-08-17 22:00 | 66.9 | 7.9 | 5.6 | - | 32.2 | 19.1 |
| 2018-08-17 21:00 | 73.4 | 3.6 | 10.0 | - | 24.3 | 21.0 |
| 2018-08-17 20:00 | 83.3 | 2.4 | 9.2 | - | 33.7 | 21.9 |
| 2018-08-17 19:00 | 88.5 | 2.5 | 10.9 | - | 26.2 | 19.1 |
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.
(5) Owing to urgent repair and maintenance, PM10 and PM2.5 monitoring at Mong Kok roadside air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.
