Environment Canada's air quality index has reported moderate to high risk since Saturday morning in Calgary, as many parts of ...

Almost the entire country, including Montreal, is under an Environment Canada air quality warning or special weather ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze for ...

Canadian wildfires continue to burn and the smoke from those fires is still floating aloft in the atmosphere.We've had some ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

Environment Canada says air quality has improved across most of Quebec and Ontario as changes in wind and rain ease the ...

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Exposure to wildfire smoke drifting across the country has been linked to increased risks of heart, lung and brain problems ...

We believe quality journalism should be available to everyone, paid for by those who can afford it. Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S ...

West Michigan had some of the worst air quality levels in the country on Thursday. Air quality will remain poor through today ...

The Mid-Ohio Regional Planning Commission issued an Air Quality Alert for central Ohio due to wildfire smoke from Canada.

Wildfire smoke has sparked the national weather agency to issue air quality warnings around the county of Grande Prairie and ...