Kentucky Air Quality by City

Kentucky has 4 cities with an air-quality page, from Louisville (988,018 people) on down. Each page leads with the live AQI, the main pollutant driving it, and a go/no-go for outdoor exercise on the EPA scale.

Cities in Kentucky

4 cities with an air-quality page, largest first

CityTypical AQI (county median, 2025)Population
Louisville49 Good988,018
Lexington40 Good323,725
Somerset40 Good12,216
Fort Campbell North41 Good11,356

Our dataset lists 552 places in Kentucky; the 4 above have a page. For a smaller town, the nearest city above is the closest match.