LOUISVILLE, Ky. — Louisville's poor air quality is putting people at risk, according to a new study from the American Lung ...

The report says the Louisville Metro area had 8.2 unhealthy days per year and ranked the 29th worst nationally for smog in that timeframe. As for particle pollution, the metro had 2.2 unhealthy days ...

Air quality​ in the metro area that includes Boston, Worcester and Providence has gotten worse, a new report​ says.

The American Lung Association report finds that climate events are causing more people in the U.S. to breathe toxic air even ...

Residents across New York and New Jersey are dealing with poorer air quality than usual, but a new report revealed that even more states are still dealing with this problem.

Detroit receives failing grades for number of unhealthy smog days per year, and its year-round levels of soot pollution.

On Wednesday, a report from the American Lung Association ranked Grand Rapids at the 27th worst in the country.

Louisville continues to struggle with poor air quality, according to a new report, as federal support is eroded.

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

The D.C. area's air quality is worsening, per the American Lung Association, which gave the region an "F" grade on a key ...

The Columbus metro area received an “F” grade for its air quality in the latest “State of the Air” report from the American ...