Air quality alerts are in force for all or part of five American states as smoke blows over from Canadian wildfires.

Wildfire smoke from hundreds of kilometres away again drifted into the region on Wednesday, July 30, bringing smelly air, ...

A special air quality statement has been issued for Toronto and southern Ontario as wildfire smoke from the Prairies drifts ...

This month has been the smokiest July that Brandon has seen since records started being kept more than 60 years ago, ...

Southern Ontario is under an environmental advisory Wednesday evening with warnings about reduced visibility and increased ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

Smoke from forest fires in the Prairies will affect southern Ontario Wednesday night, Environment Canada says. The statement came just as the weather agency lifted the city's fifth heat warning this ...

Wildfires raging across Canada show no signs of slowing down, and their effects continue to be felt in Maine and throughout ...

Canadian wildfire smoke lingers over Michigan. As of July 30, the Upper Peninsula is under an advisory for unhealthy air.

An Air Quality Advisory has been issued statewide July 30 and 31. Issued by the the Michigan Department of Environment, Great ...

Wildfire smoke is expected to linger well into the rest of the workweek. This will impact air quality across much of our ...

The best way to avoid exposure is to remain indoors, with windows and doors closed, and use a portable air purifier, the ...