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

AccuWeather meteorologist Brandon Buckingham explained that on sunny days—particularly during stretches of calm, clear ...

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

While the smoke may cloud your vision of the sky or ruin a day at the beach on this week's warmest days of the season so far, it is more than just a nuisance. All across the U.S., the smoke is causing ...

Several large active wildfires have been burning from British Columbia to Saskatchewan and Manitoba over the last week, releasing plumes of toxic smoke toward ... the Central US just before ...

Wildfire smoke from Canada is expected to move over the U.S., impacting air quality for millions of people on Friday and this weekend. Maps and satellite imagery show the large-scale impact of the ...

Canadian wildfires are impacting air quality in the Midwest and Northern Plains. Smoke may cause reduced visibility and respiratory problems. Several states, including Indiana, Illinois ...

Here's what we know about the Canadian wildfires, smoke maps, air quality maps and more: The wildfires in Canada are burning in Alberta, British Columbia, Manitoba, Ontario and Saskatchewan ...

Smoke from Canadian wildfires is impacting air quality across the Midwest and Northern Plains. Wildfires are currently burning in Manitoba, Ontario, and Saskatchewan, Canada. The smoke may cause ...

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

Some of the more gigantic blazes have been delivering thick smoke that spread southward into the United States over recent days. The fires are burning from British Columbia, through Alberta and ...

A brush fire near El Monte Road in Lakeside, East San Diego County, has burned 5 to 10 acres and is threatening structures.