The summer of 2025 has brought some of the worst air quality ever recorded to large parts of the United States. Cities across the Midwest and Northeast—especially Chicago, Detroit, Cleveland, New York ...

As wildfires spread across Canada, air quality in the U.S. continues to be impacted, and people sensitive to air pollution could face "serious health effects," according to a government website that ...

Large wildfires in Canada continued to cause concerning air quality levels across parts of the United States and triggered multiple air quality alerts. Over 750 wildfires are burning throughout Canada ...

While the East Coast sees fewer severe wildfires compared to the Western U.S., the issuance of red flag warnings highlights ...

Medium to heavy smoke should continue around the country on Wednesday as well. Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

States across the U.S. are feeling the impact of the Canadian wildfires as air quality takes a hit from the smoke, according to a government website that tracks air quality in the United States. As of ...

Canadian wildfires in Manitoba and Saskatchewan have prompted air quality alerts in Minnesota, Wisconsin and Michigan on Wednesday and Thursday as residents are advised to "limit prolonged or heavy ...

Smoke from Canadian wildfires blanketed much of the United States in August, with the Midwest and Northeast facing the heaviest and most frequent exposure. This month, the 2025 wildfire season became ...

Climate change is driving more frequent and more intense wildfires around the world, including in the United States. These huge blazes cause a range of problems that affect health, the environment, ...