Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

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

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

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

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

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.

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

The smoky air is predicted to reach New York City on Monday, and it could bring unhealthy air quality for sensitive groups.

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Smoke from Canadian wildfires will contribute to poor air quality throughout Michigan on Wednesday and Thursday.