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

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

As smoke begins to dissipate, Michigan's statewide advisories have ended, though some remain for Upper Peninsula and northern ...

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

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

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Massachusetts can expect hazy skies on Wednesday as smoke from Canadian wildfires continues to drift down the East Coast, ...

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

The fires have resulted in hazardous air-quality conditions across much of Canada and the northern U.S. They are continuing ...

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

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

Air quality alerts from Canadian wildfire smoke spread to the Northeast on Sunday, stretching as far as northern Maine. It ...