Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

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

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

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

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

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

MAINE, USA — Multiple fire departments have suspended burn permits Saturday due to high risks of fire in southern regions of ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Tuesday will be a 7 on Santom's Sky Scale due to cooler-than-normal temperatures as well as more wildfire smoke.

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

Maine's air quality continues to suffer from lingering Canadian wildfire smoke, so we asked a health expert why exposure to ...