Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

When combined with the Philly area’s warm, sunny weather, the incoming smoke stands to increase levels of ozone, the ...

Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

An air quality alert is in effect for all of Massachusetts today due to smoke from Canadian wildfires, and it could be the ...

Northeast Ohio’s stretch of pleasant summer weather continues to start the week, but Canadian wildfire smoke has pushed air quality into the “unhealthy for sensitive groups” range on Monday.

Syracuse, N.Y. -- Upstate New Yorkers could inhale unhealthy air for days, New York state officials warned today. “We expect ...

Smoke from Canadian wildfires will move into the region Monday, Aug. 4, causing unhealthy air for sensitive groups.

What would have been a partly sunny 85-degree day over Upstate New York turned into a yellowed, hazy overcast glow on Monday ...

The National Weather Service reported an air quality alert at 1:20 p.m. EDT on Monday in effect until Wednesday at midnight ...

The Canadian wildfires are impacting the air quality in Erie, which is in the orange level. Here's what you should know ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air quality alerts are in effect Monday in Wisconsin, Michigan, Pennsylvania, New ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...