Ohio
BadAirDays has a full county for each of the 40 places below in Ohio, worked out from the same data for every one of them so the numbers compare directly. Pick yours to see it.
- Adams
- Allen
- Ashtabula
- Athens
- Belmont
- Butler
- Clark
- Clermont
- Clinton
- Columbiana
- Cuyahoga
- Delaware
- Fayette
- Franklin
- Geauga
- Greene
- Hamilton
- Harrison
- Jefferson
- Knox
- Lake
- Lawrence
- Licking
- Lorain
- Lucas
- Madison
- Mahoning
- Medina
- Miami
- Montgomery
- Noble
- Portage
- Preble
- Scioto
- Stark
- Summit
- Trumbull
- Warren
- Washington
- Wood