The National Weather Service in Chicago says air quality across Illinois is being affected by Canadian wildfire smoke.

Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for ...

Iowa is under an air quality alert, along with other states in the Midwest, according to the Iowa Department of Natural Resources. A layer of haze fell over Iowa, impacting visibility and ...

An air quality alert will be in effect across the entire state until 5 p.m. Aug. 2, according to the Minnesota Pollution ...

Canadian wildfire smoke is drifiting across Michigan. As of July 31, the entire state is under an advisory for unhealthy air.

We are slowly getting an improvement in our air quality! Our Air Quality Advisory is still going to last until noon today, ...

A statewide air quality advisory will continue for Wisconsin from noon on Thursday to noon on Friday (Aug. 1).

The department said smoke from the wildfires in Canada could affect the air in the areas of Omaha, Lincoln, Fremont and Grand Island.

Friday morning, Chicago's air quality showed a PM 2.5 of 157. Typically, anything above 100 is considered to be hazardous to at least some groups, and anything over 150 is considered to be “unhealthy, ...

Minneapolis has one of the worst air qualities in the world on Thursday morning, with officials warning the smoky air is ...

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce, Polk, Rusk, St. Croix. WHAT...The PM2.5 ...

"Unhealthy air quality for sensitive groups," read the alert in the app around midday. A screenshot of the weather app on the iPhone Monday, showing an air quality alert. Screenshot ...