Thursday: A slight chance of showers and thunderstorms after 2 p.m. Sunny, with a high near 94. Heat index values as high as ...

The National Weather Service in Louisville has issued an air quality alert for the Louisville metro area until midnight July ...

The Cram fire is the largest in the state, expanding overnight to more than 64,000 acres, according to the Northwest ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for ...

Milwaukee, Ozaukee, Racine, Kenosha and Sheboygan are all under a poor air quality alert from noon to 11 p.m., according to ...

Central Ohio counties face an Air Quality Alert as ozone levels rise due to high pressure and sunny conditions.

The Mid-Ohio Regional Planning Commission issued an air quality alert July 15, 2025, for central Ohio, including Columbus, ...

The Minnesota Pollution Control Agency says air quality is expected to reach the red level in the air quality index, meaning the air is unhealthy for everyone in the area. The DNR says burning permits ...

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

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

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