States throughout the Midwest and into the Ohio Valley — including Michigan, Illinois, Indiana, Kentucky, Ohio, Tennessee, ...

Climate change has inexorably stacked the deck in favor of bigger and more intense fires across the American West over the past few decades, science has incontrovertibly shown. Increasing heat ...

Canadian wildfires are raising air quality concerns in several states, including the Dakotas, Minnesota and Wisconsin.

Minnesota remains under an air quality alert, with smoke from wildfires in Canada spreading across the entire state this ...

All of Minnesota will experience poor air quality this weekend as smoke — both near the surface and at higher altitudes — ...

Air Quality Alerts have been issued across all of Minnesota until Monday 6:00 PM. Sensitive groups may be affected.

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere. The Environmental Protection Agency’s ...

Wildfires in Canada are causing hazy skies across the Midwest, and some of that haze may even reach Ohio over the weekend and ...

Officials are warning about smoke from Canadian wildfires heading toward the central United States, with parts of Canada ...

Minnesota Pollution Control Agency issued air quality alert for Saturday-Sunday as Canadian wildfire smoke creates red AQI levels affecting multiple regions.

Wildfire smoke from Canada is expected to move over the U.S., and maps and satellite imagery show the large-scale impact of the blazes.

Wildfires burning in Canada are expected to impact the air quality in Minnesota and the upper Midwest over the next several ...