Ozone annual means for urban and rural Ontario, 2010-2019
Ozone annual means for urban and rural Ontario, 2010-2019| Year | Urban S. | Urban N. | Rural |
|---|
| 2010 | 25.9 ppb | 27.7 ppb | 31.9 ppb |
| 2011 | 24.9 ppb | 27.1 ppb | 30.3 ppb |
| 2012 | 25.7 ppb | 27.1 ppb | 30.7 ppb |
| 2013 | 25.5 ppb | 27.4 ppb | 31.1 ppb |
| 2014 | 25.1 ppb | 26.2 ppb | 30.1 ppb |
| 2015 | 25.5 ppb | 26.1 ppb | 30.6 ppb |
| 2016 | 26.2 ppb | 25.5 ppb | 30.5 ppb |
| 2017 | 25.8 ppb | 25.9 ppb | 30.2 ppb |
| 2018 | 25.6 ppb | 26.8 ppb | 30.7 ppb |
| 2019 | 24.9 ppb | 26.1 ppb | 30.1 ppb |