Ohio Air Quality by City

Ohio has 53 cities with an air-quality page, from Cincinnati (1,726,642 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 Ohio

53 cities with an air-quality page, largest first

CityTypical AQI (county median, 2025)Population
Cincinnati54 Moderate1,726,642
Cleveland53 Moderate1,695,555
Columbus53 Moderate1,635,039
Dayton46 Good672,634
Akron44 Good537,241
Toledo52 Moderate494,010
Youngstown44 Good313,898
Canton49 Good287,351
Lorain39 Good201,994
Westlake53 Moderate34,104
North Royalton53 Moderate30,972
MarysvilleNo EPA monitor27,518
Kent43 Good27,116
ZanesvilleNo EPA monitor24,740
SanduskyNo EPA monitor24,606
Athens31 Good23,396
Rocky River53 Moderate21,490
TiffinNo EPA monitor17,818
Streetsboro43 Good17,661
Englewood46 Good13,356
Conneaut43 Good12,357
Franklin44 Good11,712
New Albany53 Moderate10,896
GalionNo EPA monitor10,339
Oakwood46 Good9,458
BellevueNo EPA monitor8,187
Hubbard46 Good7,598
Delphos42 Good7,143
Waterville52 Moderate6,017
Germantown46 Good5,825
Wellington39 Good4,593
West Jefferson43 Good4,392
Wintersville49 Good3,677
Moreland Hills53 Moderate3,456
PauldingNo EPA monitor3,230
Minerva49 Good3,196
Lisbon12 Good2,832
Batavia41 Good2,794
ByesvilleNo EPA monitor2,239
Navarre49 Good2,047
Boston Heights44 Good1,381
Berlin HeightsNo EPA monitor1,089
Geneva-on-the-Lake43 Good888
MarshallvilleNo EPA monitor707
Cuyahoga Heights53 Moderate581
Fort JenningsNo EPA monitor482
Mount CoryNo EPA monitor387
Catawba45 Good305
Petersburg44 Good302
RossburgNo EPA monitor261
ConesvilleNo EPA monitor211
North Lawrence49 Good165
Kelleys IslandNo EPA monitor128

Our dataset lists 1,253 places in Ohio; the 53 above have a page. For a smaller town, the nearest city above is the closest match.