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 sensitive groups on July 21.

As of Tuesday morning, the Air Quality Index in Milwaukee was between 115 to 120, which falls in the "unhealthy for sensitive groups" category.

Nine locations in Malaysia saw unhealthy air when measured using the Air Pollutant Index (API), said the Department of ...

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

The building heat and humidity comes as Chicago's air quality readings early Monday morning were "unhealthy for sensitive groups," the website AirNow.gov said. The air quality ranked as a level three ...

The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

Fine particle levels are expected to reach the purple air quality index category, which means it is considered “very ...

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

The National Weather Service has issued both a heat and air quality alert for most of downstate New York, Wednesday, July 16.

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

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.