A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C.

Smoke from the Gifford Fire was hovering over parts of the county, resulting in sooty air quality and possible ash falling ...

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

Air quality has taken a serious hit across the United States as a twofold blow of wildfires in the West and in Canada have ...

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

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

Seven Michigan Republicans in Congress want Canada to contain and prevent future wildfires, noting it's the third summer ...

Wildfires in Canada are sending heavy smoke across the northern U.S., and New Jersey is experiencing some unhealthy air ...

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

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

The satellite imagery shows the wildfire smoke as a fuzzy white look on the images. The wildfire smoke is thick just to ...

Hazy skies aside, summer is finally delivering something we haven’t enjoyed in a long time: A long stretch of pleasant ...