Apr 25 Environment Annual Air Quality Report Shows Louisville’s Progress, But Pollution is Still a Problem An annual report says Louisville’s air is better than it’s been in recent years. But the metro area’s air quality still ranks among the worst in the nation in two categories. The American Lung Association releases its “State of the Air” report every year, to rank the air quality of counties and metropolitan areas. The […] By Erica Peterson Apr 25 Environment Annual Air Quality Report Shows Louisville’s Progress, But Pollution is Still a Problem Erica Peterson