An air quality statement is in effect for Toronto and the surrounding region as wildfire smoke continues to drift south, ...

Wildfire smoke carries large amounts of particulates and gases. These can act as ozone precursors, causing air to exceed the ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Temperatures remain cool but smoke from wildfires in Canada will make the sky hazy through Saturday ...

The region has been under an Orange Air Quality Alert issued by the National Weather Service since Thursday. This is not the ...

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Folks should exercise caution and limit time outdoors this weekend. Consider reducing or rescheduling outdoor sports, ...

The Air Quality Index (AQI), a system used to communicate how much pollution is in the air, is expected to reach the red or ...

The Iowa Department of Natural Resources reported Friday that air quality in Iowa will be at levels “unhealthy for sensitive ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Ryan Lueck is a meteorologist with the Minnesota Pollution Control Agency and explains why we've had so many air quality ...

"Breathing in the Canadian wildfires smoke cannot be the new normal," said Candice Miller, Macomb County public works commissioner.