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

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Wildfire smoke from Canada is expected to move over the U.S ... air quality is expected to worsen in parts of Minnesota, where it is forecast to be "unhealthy," AirNow said.

Wildfire smoke from Canada is expected to move over the U.S ... air quality is expected to worsen in parts of Minnesota, where it is forecast to be "unhealthy," AirNow said.

Smoke is expected to linger over Ohio until at least June 4, according to forecasts. Smoke from wildfires in Canada continues to drift over the United States and has made it harder to breathe in ...

Smoke from wildfires in Canada continues to drift over the United ... See the map, air quality forecast According to the smoke and wildfire map available at data.cincinnati.com, wildfire smoke ...

Wind pushed more smoke from Alberta and B.C.’s wildfires to Calgary Wednesday, leading to an air quality warning for the city ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

as wildfire smoke from the north is now drifting across southern Ontario. “The smoke is there on top, diffusing the light of the sun,” Environment and Climate Change Canada warning preparedness ...

dry skies and the smoke from the fires to funnel into the eastern United States. "It can get stuck in this persistent pattern for a while," she said. With a smoky summer forecast across Canada ...