The hazy air hovering over US metropolises, including Chicago and New York, this summer is reminding Americans of just how ...

Here's why the Canadian wildfire smoke is returning to the state and what to know about the latest air quality advisory.

There’s another air quality alert for Minnesota on Monday, a trend we’ve seen all summer. Health officials say the unhealthy ...

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and ...

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

US heat advisories and extreme heat warnings are posted across parts of the west, including California, Nevada, Arizona, ...

According to the alert issued Aug. 10, Keweenaw, Ontonagon, Houghton, Baraga, Marquette, Alger, Luce, Gogebic, Iron, Dickinson, Menominee, Delta and Schoolcraft counties should expect elevated levels ...

Smoke drifting south from Canadian wildfires has made skies in Pennsylvania and other states hazy this week. The Pennsylvania ...

Smoke from wildfires in Canada continue to impact Greater Akron. An Air Quality Alert has been issued for northern Ohio for ...

Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Local health officials, firefighters and community leaders weigh in on the growing concern over wildfire season.