An air quality alert will be in effect across all of Minnesota until at least 11 p.m. July 25, according to the state ...

Canadian wildfire smoke returns, bringing haze to Michigan. As of July 25, advisories are in effect for the U.P. and northern ...

The Canadian wildfire smoke that covered northwest Wisconsin July 24 has moved south and is causing air quality problems in ...

"A lot of the prairies within Canada, the prairie provinces, entered the fire season already starting out in a drought, and ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

Canadian wildfire smoke will significantly impact air quality across Michigan on Friday, with unhealthy conditions expected ...

An air quality alert is in effect for nearly the entire state through Friday, but northern and central Minnesota will bear ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

Another summer day, another air quality alert. This one is widespread, with the alert across all of Minnesota, nearly all of Wisconsin, and the bulk of northern Michigan. Minnesota is seeing some of ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.