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

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

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

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

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

It's time for change. Wisconsin could face the real possibility of being flanked by the effects of wildfires from both the ...

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

There are no air quality alerts for New Jersey on Wednesday with the thickest smoke expected to remain north and west of the ...

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

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

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 ...