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

NORFOLK, Va. — No, that's not fog — Wildfire smoke from over 700 active wildfires in Canada has blown thousands of miles down ...

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

Millions in the U.S. face health threats as Canadian wildfire smoke causes air quality to plummet and triggers official ...

Smoke from wildfires in southwestern Manitoba, Canada, will impact the D.C. area Wednesday as it makes its way through the ...

Hundreds of Canadian wildfires have worsened the air quality in many parts of the United States Donald Trump's executive ...

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and ...

The wildfire areas of Manitoba and Saskatchewan are projected to receive 50 millimeters to 100 millimeters of rain this ...

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

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 ...

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