In a summer of historic wildfires, Canadians have undoubtedly found themselves checking the air quality more than usual. But the way that number is calculated varies by province — and experts say it will need to be changed.
In a summer of historic wildfires, Canadians have undoubtedly found themselves checking the air quality more than usual. But the way that number is calculated varies by province — and experts say it will need to be changed.
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