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

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

Skies across Massachusetts could remain hazy on Wednesday, but this could also soon change as possible thunderstorms and ...

PHILADELPHIA (WPVI) -- Smoke particles from Canadian wildfires are causing air quality concerns in the Philadelphia region on ...

This is the second most severe fire season on record in Canada, according to the National Interagency Fire Center.

An air quality alert is in effect for the entire state of Maine and New Hampshire due to a thick plume of smoke from Canadian ...

Millions of people were told to monitor themselves for the symptoms at least through Monday night, but possibly longer.

Massachusetts faces an air quality alert as wildfire smoke blankets Boston. Experts advise sensitive groups to stay indoors, ...

Viewers shared snapshots of hazy skies as Canadian wildfire smoke continues to impact air quality in parts of Maine.

NEW YORK — Hazy skies and low air quality returned to the five boroughs on Monday, as smoke from Canadian wildfires again ...

Air quality concerns continue to expand from the Upper Midwest through the Great Lakes region and into the Northeast and New ...

Smoke from more than 700 active wildfires in Canada is once again clouding skies and pushing air quality into dangerous ...