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.

There's no doubt firefighting is a dangerous job, but some of the biggest risks aren't just the flames. It's what lingers ...

The smoke from Canadian wildfires that has lingered in Upstate New York this week should subside on Thursday. No air quality ...

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 ...

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

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 ...

How does wildfire smoke travel so far At the site of the wildfires, the smoke can quickly rise through the atmosphere due to ...

ROCHESTER, Minn. (KTTC) – Wildfire smoke consumed Minnesota skies last week, prompting a record at the Minnesota Pollution ...