10-year trend of 24-hour PM₂.₅ CAAQS metrics in Ontario
10-year trend of 24-hour PM₂.₅ CAAQS metrics in OntarioYear | 24-hour PM₂.₅ CAAQS Metric |
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2011 | 21 µg/m³ |
2012 | 21 µg/m³ |
2013 | 20 µg/m³ |
2014 | 21 µg/m³ |
2015 | 21 µg/m³ |
2016 | 20 µg/m³ |
2017 | 18 µg/m³ |
2018 | 18 µg/m³ |
2019 | 18 µg/m³ |
2020 | 18 µg/m³ |