Wildfire smoke has been fouling U.S. air quality for several days, starting in states bordering Canada, including the Dakotas, Minnesota and other Midwestern states. The smoke has drifted ...

We believe quality journalism should be available to everyone, paid for by those who can afford it. Smoke from wildfires still raging in Canada is degrading air quality across the northern U ...

A Chicago Air Quality Alert has been extended through Friday as smoke from Canada wildfires has pushed the AQI into unhealthy ...

Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.