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

The smoke from Canadian wildfires that has lingered in Upstate New York this week should subside on Thursday. No air quality ...

It's time for change. Wisconsin could face the real possibility of being flanked by the effects of wildfires from both the ...

The smoke drifting across the border contains fine particulates, pollution so small that it’s basically invisible to the ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time ...

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

Seven Michigan Republicans in Congress want Canada to contain and prevent future wildfires, noting it's the third summer ...

An air quality alert went into effect for the metropolitan area went out Monday at midnight and continues until midnight ...

Long Island will reach highs in the mid 80s on Tuesday, and see temperatures in the low 80s the rest of the week.

Plus, ABC News’ Chief Meteorologist Ginger Zee has the latest on the second earthquake in less than a week on the East coast.

An air quality alert is in effect for all of Massachusetts as smoke from Canadian wildfires descends into the Boston area.

Hazy skies descend over the New York City area again on Tuesday, re-upping some air quality alerts related to Canadian ...