Parts of the Midwest and Northeast are experiencing poor air quality Monday as smoke from Canadian wildfires drifts into the ...

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 ...

More than 200 fires are burning in Canada, according to Natural Resources Canada. Of those, 59 fires are out of control. The ...

Northeast Ohio is under an air quality alert until midnight Monday, August 4. Here's what's causing the poor air quality and ...

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.

Regions of BC highlighted on the map are being impacted or are likely to be impacted by wildfire smoke over the next 24-48 ...

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 ...