Knoxville makes most polluted cities list

The American Lung Association just released it's 2019 State of the Air report. The metro area of Knoxville- Morristown-Sevierville received a C for air quality overall and ranked 25th for particle pollution year round.
Published: 10:10 AM EDT April 24, 2019
Updated: 10:09 AM EDT April 24, 2019