Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

Smoke traveling from wildfires in Canada, North Dakota and Minnesota triggered an air quality warning in northern Wisconsin.

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

An air quality advisory has been issued for the northern half of Wisconsin as Canadian wildfire smoke has mixed down the the ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in ...

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

Some groups are at higher risk for complications, including children and people with underlying health conditions ...

For a second straight year, the provincial government has failed to install a network of federally-funded air quality sensors ...

Wind pushed smoke from Alberta and B.C.’s wildfires to Calgary Tuesday night into Wednesday morning, leading to an air ...