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

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

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

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

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

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

On Aug. 6, the Wisconsin Department of Natural Resources has not extended its Wisconsin air quality alert — a decision it ...

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

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

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

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

Each New England state has seen an uptick in the number of days over the last five years when fine particulate matter (PM2.5) ...