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

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

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.

While alerts have been downgraded from 'unhealthy for sensitive groups' to 'moderate,' the air quality could still be a ...

This is why even without the presence of smoke, many sunrises and sunsets appear yellow or orange. Smoke particles in the sky ...

Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest are under air quality alerts Monday. Newsweek's live blog is closed.

PORTLAND (WGME) -- Sunshine, seasonable temperatures, and low humidity levels are all on tap for Wednesday in Maine. Wildfire smoke is beginning to thin out as well over eastern New England. The smoke ...

Emily Pike shows you what to expect as more wildfire smoke will enter into the region. Authorities locate child missing for 7 ...