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

Canadian wildfire smoke is triggering air quality alerts across the U.S. Midwest and Northeast on Thursday, as the northern ...

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

Proposed jobs and grants cuts by the Trump administration could have detrimental impacts in air quality monitoring at the ...

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

Smoke poured over the Canadian border into eastern Alaska this weekend, bringing poor air quality to communities from ...

Wildfires in Canada are expected to bring smoke and affect air quality in states across the midwest, including Wisconsin, Michigan and Minnesota.

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

Firefighters across the Final Frontier are working to contain dozens of blazes that have forced evacuations and occasionally ...

Beverly Anderson, 65, died when the plane crashed into Lake Michigan. She had joined the pilot for a sightseeing tour of the ...

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...