Officials issued an air quality advisory for counties in southwest Michigan as Canadian wildfires burn. Here's what the air quality index shows.

EDT an air quality alert was reported by the National Weather Service in effect until Wednesday at midnight EDT for Muskegon, ...

Ottawa's air quality has been the worst among major Canadian cities at several points over the past two days, which a meteorologist says is thanks to a combination of the city's geography and ...

The National Weather Service reported an air quality alert at 11:45 a.m. EDT on Sunday in effect until Tuesday at midnight ...

Most of West Michigan will be under an air quality advisory Tuesday, the Michigan Department of Environment, Great Lakes and ...

Due to elevated ozone levels, several counties are under an air quality advisory Saturday and Sunday. Pollutants within the ...

A Clean Air Action Day has been declared for nine counties in West Michigan for Monday, June 23 due to high levels of ozone.

Air quality has improved in much of Quebec and Ontario, but wildfire smoke continues to affect parts of the Prairies, northern Ontario, and eastern Quebec.

The federal government is deploying members of the Canadian Armed Forces to help evacuate a northwestern Ontario First Nation as wildfires rapidly spread in the region, Prime Minister Mark Carney said ...

As of 9 a.m. on June 11, here are air quality index readings in Michigan cities, according to AirNow's Air Quality Index: Grand Rapids: PM2.5 of 87; moderate. Marquette: PM2.5 of 86; moderate.