The National Weather Service issued an air quality alert for the city on Thursday and kept extending it through Sunday night. There was no alert Monday.

CHICAGO - There is an Air Quality Alert for Northwest Indiana due to smoke still in the atmosphere. Fox 32 Meteorologist ...

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

A wave of extreme weather is sweeping across the U.S., bringing deadly flash floods to the South, raging wildfires in the West, and choking smoke to cities in the East and Midwest.In Alabama, heavy ...

Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest have been are under air quality ...

The alert, which goes into effect at midnight. comes as the Chicago area continues to see poor air quality due to the Canadian wildfires.

Smoke from more than 700 active wildfires in Canada is once again clouding skies and pushing air quality into dangerous ...

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Minneapolis had the fifth worst air quality among 125 cities worldwide on Saturday morning, according to an international air ...

The "unhealthy" air, which ranks as level four of six on the Air Quality Index, comes after multiple consecutive days of air quality alerts.

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.