Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

Smoke continues to billow over a northern Manitoba community Thursday where crews are monitoring area hotspots from above, ...

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for days.

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

The worst wildfires in decades are tearing through Saskatchewan, Canada, and at least two people have been killed in blazes in the neighboring province of Manitoba. Smoke from those fires has ...

The Bay Area Air District on yesterday morning issued an air quality advisory due to possible wildfire smoke from Canada and ...

Hamilton, Burlington, Niagara and surrounding areas are seeing smoke from wildfires in Western Canada impact air quality and that is expected to continue until Friday evening, Environment Canada said.

PORTLAND, Maine — Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states battled conditions deemed unhealthy by the federal ...

As wildfires in several Canadian provinces actively burn, northern areas in Michigan see poor air quality. Here is an update ...