Best for Air Quality in Ohio
3 cities ranked · Cleanest air per EPA AQS — lowest median AQI and fewest unhealthy days.
Top Cities in Ohio
Other Ohio Rankings
Frequently Asked Questions
Which city in Ohio ranks highest for best for air quality?
Delaware, OH ranks #1 in Ohio for best for air quality with a sub-score of 80/100 (MoveScore 87, grade A).
How many cities in Ohio are compared?
3 Ohio cities have enough federal data for this ranking. Cities need at least three of six sub-scores for inclusion.
How is this ranking calculated?
Cleanest air per EPA AQS — lowest median AQI and fewest unhealthy days. Sub-scores are normalized to 0-100 and the highest scores rank first.
Last updated:
Ohio-specific ranking using the air sub-score, normalized to 0-100. Cities need at least three federal sub-scores to be included.