| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 54.4 | Reading Community City School District / 10,434 |
| 1. | 54.4 | Mount Healthy City School District / 24,325 |
| 1. | 54.4 | Wyoming City School District / 8,356 |
| 1. | 54.4 | Finneytown Local School District / 10,736 |
| 1. | 54.4 | Lockland Local School District / 4,429 |
| 6. | 54.2 | North College Hill City School District / 10,650 |
| 6. | 54.2 | St. Bernard-Elmwood Place City School District / 6,245 |
| 8. | 53.8 | Norwood City School District / 19,179 |
| 9. | 53.5 | Deer Park Community City School District / 12,423 |
| 9. | 53.5 | Loveland City School District / 25,955 |
| 9. | 53.5 | Madeira City School District / 8,779 |
| 12. | 53.3 | Cleveland Municipal School District / 394,403 |
| 13. | 53.2 | Princeton City School District / 42,551 |
| 14. | 52.7 | Springboro Community City School District / 30,227 |
| 14. | 52.7 | Middletown City School District / 48,811 |
| 14. | 52.7 | Lebanon City School District / 38,374 |
| 14. | 52.7 | Franklin City School District / 20,503 |
| 14. | 52.7 | Monroe Local School District / 13,454 |
| 19. | 52.6 | Carlisle Local School District / 9,018 |
| 20. | 52.5 | Indian Creek Local School District / 18,631 |
| 21. | 52.4 | Southwest Local School District / 22,803 |
| 21. | 52.4 | Mason City School District / 50,516 |
| 23. | 52.3 | Kings Local School District / 25,688 |
| 23. | 52.3 | Sycamore Community City School District / 34,290 |
| 23. | 52.3 | Little Miami Local School District / 29,904 |
| 26. | 52.2 | Mariemont City School District / 8,207 |
| 26. | 52.2 | Indian Valley Local School District / 10,649 |
| 26. | 52.2 | Claymont City School District / 12,119 |
| 29. | 52.1 | Northwest Local School District / 74,461 |
| 29. | 52.1 | Adena Local School District / 6,781 |
| 31. | 51.9 | Blanchester Local School District / 8,571 |
| 31. | 51.9 | Winton Woods City School District / 25,962 |
| 33. | 51.8 | Indian Hill Exempted Village School District / 12,929 |
| 34. | 51.7 | Lynchburg-Clay Local School District / 6,853 |
| 34. | 51.7 | Clinton-Massie Local School District / 9,867 |
| 34. | 51.7 | Fayetteville-Perry Local School District / 4,528 |
| 37. | 51.6 | Garaway Local School District / 10,779 |
| 37. | 51.6 | East Holmes Local School District / 20,896 |
| 37. | 51.6 | Strasburg-Franklin Local School District / 4,651 |
| 37. | 51.6 | Tuscarawas Valley Local School District / 10,059 |
| 37. | 51.6 | Fairfield City School District / 64,976 |
| 37. | 51.6 | Dover City School District / 17,077 |
| 37. | 51.6 | Hamilton City School District / 62,582 |
| 37. | 51.6 | New Philadelphia City School District / 21,915 |
| 45. | 51.5 | Hillsboro City School District / 16,641 |
| 45. | 51.5 | Paint Valley Local School District / 6,263 |
| 45. | 51.5 | Lakota Local School District / 95,208 |
| 45. | 51.5 | Huntington Local School District / 6,180 |
| 45. | 51.5 | Milford Exempted Village School District / 42,275 |
| 45. | 51.5 | Goshen Local School District / 16,162 |
| 45. | 51.5 | Brooklyn City School District / 11,047 |
| 45. | 51.5 | Ross Local School District / 16,489 |
| 53. | 51.5 | Southeast Local School District / 18,515 |
| 53. | 51.5 | Conotton Valley Union Local School District / 3,370 |
| 53. | 51.5 | Newcomerstown Exempted Village School District / 7,067 |
| 53. | 51.5 | Massillon City School District / 29,425 |
| 53. | 51.5 | Fairless Local School District / 12,036 |
| 53. | 51.5 | Adams County/Ohio Valley Local School District / 23,140 |
| 53. | 51.5 | Tuslaw Local School District / 8,410 |
| 60. | 51.4 | New Miami Local School District / 3,954 |
| 60. | 51.4 | Coshocton City School District / 11,359 |
| 60. | 51.4 | Ridgewood Local School District / 8,125 |
| 60. | 51.4 | Greenfield Exempted Village School District / 12,455 |
| 64. | 51.3 | Miami Trace Local School District / 15,260 |
| 64. | 51.3 | Washington Court House City School District / 13,900 |
| 64. | 51.3 | Dalton Local School District / 7,108 |
| 67. | 51.1 | Northwest Local School District / 13,205 |
| 67. | 51.1 | Talawanda City School District / 35,745 |
| 67. | 51.1 | Madison Local School District / 8,040 |
| 67. | 51.1 | Edgewood City School District / 19,299 |
| 71. | 50.9 | West Holmes Local School District / 19,152 |
| 72. | 50.8 | Eastern Local School District / 8,469 |
| 72. | 50.8 | Cincinnati City School District / 331,025 |
| 72. | 50.8 | Northern Local School District / 13,905 |
| 72. | 50.8 | Three Rivers Local School District / 15,824 |
| 72. | 50.8 | Union-Scioto Local School District / 16,226 |
| 72. | 50.8 | London City School District / 16,495 |
| 72. | 50.8 | Steubenville City School District / 15,735 |
| 72. | 50.8 | Walnut Township Local School District / 4,104 |
| 80. | 50.7 | Symmes Valley Local School District / 4,695 |
| 80. | 50.7 | Gallipolis City School District / 14,937 |
| 80. | 50.7 | Triway Local School District / 12,783 |
| 80. | 50.7 | Harrison Hills City School District / 13,235 |
| 84. | 50.6 | Buckeye Local School District / 15,277 |
| 84. | 50.6 | Edison Local School District / 15,353 |
| 84. | 50.6 | Meigs Local School District / 12,353 |
| 84. | 50.6 | Wellsville Local School District / 4,804 |
| 84. | 50.6 | Toronto City School District / 5,642 |
| 84. | 50.6 | Southern Local School District / 5,685 |
| 84. | 50.6 | Perry Local School District / 30,518 |
| 84. | 50.6 | Jackson Local School District / 37,961 |
| 84. | 50.6 | Nordonia Hills City School District / 32,447 |
| 84. | 50.6 | Canton Local School District / 12,842 |
| 84. | 50.6 | Sandy Valley Local School District / 8,124 |
| 95. | 50.5 | Bright Local School District / 4,517 |
| 95. | 50.5 | Heath City School District / 10,114 |
| 95. | 50.5 | Granville Exempted Village School District / 12,444 |
| 95. | 50.5 | River View Local School District / 15,101 |
| 95. | 50.5 | Newark City School District / 48,546 |
| 100. | 50.5 | Gallia County Local School District / 15,661 |
| 100. | 50.5 | Beaver Local School District / 15,779 |
| 102. | 50.4 | Wayne Local School District / 8,782 |
| 102. | 50.4 | Jefferson Local School District / 7,073 |
| 102. | 50.4 | Fairfield Union Local School District / 10,283 |
| 102. | 50.4 | Maysville Local School District / 10,499 |
| 102. | 50.4 | Chillicothe City School District / 23,104 |
| 102. | 50.4 | Southern Local School District / 5,128 |
| 102. | 50.4 | Liberty Union-Thurston Local School District / 7,786 |
| 102. | 50.4 | Westfall Local School District / 8,967 |
| 110. | 50.3 | Garfield Heights City School District / 26,292 |
| 110. | 50.3 | Lake Local School District / 19,593 |
| 110. | 50.3 | Berne Union Local School District / 5,279 |
| 110. | 50.3 | Bedford City School District / 29,557 |
| 110. | 50.3 | Lancaster City School District / 47,944 |
| 110. | 50.3 | Canton City School District / 62,904 |
| 110. | 50.3 | Clermont Northeastern Local School District / 13,631 |
| 110. | 50.3 | Cuyahoga Heights Local School District / 4,070 |
| 110. | 50.3 | Maple Heights City School District / 22,880 |
| 110. | 50.3 | Zane Trace Local School District / 9,725 |
| 110. | 50.3 | Independence Local School District / 7,136 |
| 110. | 50.3 | Southeastern Local School District / 6,213 |
| 110. | 50.3 | Orrville City School District / 11,062 |
| 110. | 50.3 | Reynoldsburg City School District / 38,442 |
| 110. | 50.3 | Circleville City School District / 14,499 |
| 125. | 50.2 | Canal Winchester Local School District / 20,048 |
| 125. | 50.2 | Amanda-Clearcreek Local School District / 8,710 |
| 125. | 50.2 | Pickerington Local School District / 49,146 |
| 125. | 50.2 | Mechanicsburg Exempted Village School District / 4,844 |
| 125. | 50.2 | Groveport Madison Local School District / 44,648 |
| 125. | 50.2 | Brown Local School District / 4,924 |
| 125. | 50.2 | Crooksville Exempted Village School District / 5,189 |
| 125. | 50.2 | Bloom-Carroll Local School District / 10,630 |
| 125. | 50.2 | Whitehall City School District / 18,383 |
| 125. | 50.2 | North Canton City School District / 29,855 |
| 125. | 50.2 | Minerva Local School District / 11,801 |
| 125. | 50.2 | Osnaburg Local School District / 5,551 |
| 125. | 50.2 | Plain Local School District / 47,872 |
| 125. | 50.2 | Logan Elm Local School District / 12,847 |
| 125. | 50.2 | Louisville City School District / 18,780 |
| 140. | 50.1 | Franklin Local School District / 12,162 |
| 140. | 50.1 | Columbus City School District / 504,836 |
| 140. | 50.1 | Green Local School District / 6,625 |
| 140. | 50.1 | Grandview Heights City School District / 7,439 |
| 140. | 50.1 | Valley View Local School District / 10,795 |
| 145. | 50.0 | Gahanna-Jefferson City School District / 45,102 |
| 145. | 50.0 | Caldwell Exempted Village School District / 8,532 |
| 145. | 50.0 | Teays Valley Local School District / 23,398 |
| 145. | 50.0 | Carrollton Exempted Village School District / 17,048 |
| 145. | 50.0 | Noble Local School District / 6,459 |
| 145. | 50.0 | Hamilton Local School District / 15,802 |
| 145. | 50.0 | South-Western City School District / 137,443 |
| 145. | 50.0 | Licking Heights Local School District / 23,059 |
| 145. | 50.0 | Alliance City School District / 21,357 |
| 145. | 50.0 | Marlington Local School District / 15,706 |
| 145. | 50.0 | Miamisburg City School District / 38,863 |
| 145. | 50.0 | Shadyside Local School District / 5,509 |
| 145. | 50.0 | Bexley City School District / 13,286 |
| 145. | 50.0 | Frontier Local School District / 4,555 |
| 159. | 49.9 | Triad Local School District / 5,359 |
| 159. | 49.9 | Fort Frye Local School District / 6,870 |
| 159. | 49.9 | Oak Hills Local School District / 64,297 |
| 159. | 49.9 | Vinton County Local School District / 13,337 |
| 159. | 49.9 | West Carrollton City School District / 28,395 |
| 159. | 49.9 | East Muskingum Local School District / 12,728 |
| 159. | 49.9 | Southwest Licking Local School District / 24,098 |
| 159. | 49.9 | Lakewood Local School District / 15,256 |
| 159. | 49.9 | Jefferson Township Local School District / 6,588 |
| 168. | 49.8 | Lakewood City School District / 51,400 |
| 168. | 49.8 | Trimble Local School District / 4,719 |
| 168. | 49.8 | Centerville City School District / 56,385 |
| 168. | 49.8 | Southeastern Local School District / 4,236 |
| 168. | 49.8 | Fairview Park City School District / 16,178 |
| 168. | 49.8 | United Local School District / 8,207 |
| 168. | 49.8 | Rocky River City School District / 20,592 |
| 175. | 49.7 | Athens City School District / 35,328 |
| 175. | 49.7 | New Lebanon Local School District / 6,487 |
| 175. | 49.7 | Marietta City School District / 24,010 |
| 175. | 49.7 | Fairland Local School District / 10,355 |
| 175. | 49.7 | Wilmington City School District / 20,114 |
| 180. | 49.6 | Johnstown-Monroe Local School District / 9,902 |
| 180. | 49.6 | Wolf Creek Local School District / 3,607 |
| 180. | 49.6 | Ridgedale Local School District / 4,898 |
| 180. | 49.6 | New Albany-Plain Local School District / 21,193 |
| 180. | 49.6 | Marion City School District / 29,148 |
| 180. | 49.6 | Urbana City School District / 15,176 |
| 180. | 49.6 | Cardington-Lincoln Local School District / 6,544 |
| 180. | 49.6 | Wooster City School District / 29,595 |
| 180. | 49.6 | Fredericktown Local School District / 7,830 |
| 180. | 49.6 | Northridge Local School District / 8,339 |
| 180. | 49.6 | Elgin Local School District / 6,928 |
| 180. | 49.6 | Loudonville-Perrysville Exempted Village School District / 8,077 |
| 180. | 49.6 | Zanesville City School District / 27,561 |
| 180. | 49.6 | Big Walnut Local School District / 19,007 |
| 180. | 49.6 | Morgan Local School District / 13,903 |
| 195. | 49.5 | North Fork Local School District / 11,092 |
| 195. | 49.5 | River Valley Local School District / 16,531 |
| 195. | 49.5 | Jackson City School District / 15,513 |
| 195. | 49.5 | Riverside Local School District / 4,394 |
| 195. | 49.5 | Pleasant Local School District / 9,156 |
| 195. | 49.5 | Highland Local School District / 11,992 |
| 195. | 49.5 | East Knox Local School District / 9,335 |
| 195. | 49.5 | Nelsonville-York City School District / 9,361 |
| 195. | 49.5 | Centerburg Local School District / 5,865 |
| 195. | 49.5 | Madison-Plains Local School District / 10,686 |
| 195. | 49.5 | Greeneview Local School District / 7,890 |
| 195. | 49.5 | West Liberty-Salem Local School District / 5,749 |
| 195. | 49.5 | Mount Vernon City School District / 30,665 |
| 195. | 49.5 | Mount Gilead Exempted Village School District / 7,880 |
| 195. | 49.5 | Licking Valley Local School District / 10,918 |
| 195. | 49.5 | Northmor Local School District / 7,307 |
| 211. | 49.5 | Benjamin Logan Local School District / 11,259 |
| 211. | 49.5 | Bellefontaine City School District / 15,021 |
| 211. | 49.5 | Buckeye Valley Local School District / 16,576 |
| 211. | 49.5 | Delaware City School District / 36,773 |
| 211. | 49.5 | West Muskingum Local School District / 13,113 |
| 211. | 49.5 | Lisbon Exempted Village School District / 5,595 |
| 211. | 49.5 | Hardin-Houston Local School District / 4,543 |
| 211. | 49.5 | Hilliard City School District / 88,176 |
| 211. | 49.5 | Wellston City School District / 9,123 |
| 211. | 49.5 | Olentangy Local School District / 77,762 |
| 211. | 49.5 | Chesapeake Union Exempted Village School District / 7,904 |
| 211. | 49.5 | Solon City School District / 23,744 |
| 211. | 49.5 | Warrensville Heights City School District / 15,340 |
| 224. | 49.4 | Trotwood-Madison City School District / 20,531 |
| 224. | 49.4 | Rolling Hills Local School District / 11,408 |
| 224. | 49.4 | Fairfield Local School District / 4,713 |
| 224. | 49.4 | East Guernsey Local School District / 7,687 |
| 224. | 49.4 | Graham Local School District / 11,964 |
| 224. | 49.4 | Sugarcreek Local School District / 15,307 |
| 224. | 49.4 | Switzerland of Ohio Local School District / 17,902 |
| 224. | 49.4 | Fairlawn Local School District / 2,260 |
| 224. | 49.4 | Jonathan Alder Local School District / 12,327 |
| 224. | 49.4 | Dublin City School District / 81,830 |
| 224. | 49.4 | Twinsburg City School District / 24,822 |
| 224. | 49.4 | North Union Local School District / 7,645 |
| 224. | 49.4 | Fairbanks Local School District / 6,644 |
| 224. | 49.4 | East Liverpool City School District / 16,403 |
| 224. | 49.4 | Westerville City School District / 95,536 |
| 224. | 49.4 | Upper Arlington City School District / 34,927 |
| 224. | 49.4 | Kettering City School District / 56,400 |
| 224. | 49.4 | Worthington City School District / 63,087 |
| 224. | 49.4 | Marysville Exempted Village School District / 31,897 |
| 224. | 49.4 | Oakwood City School District / 9,150 |
| 244. | 49.3 | Sidney City School District / 25,312 |
| 244. | 49.3 | Sebring Local School District / 4,432 |
| 244. | 49.3 | West Branch Local School District / 13,000 |
| 244. | 49.3 | Galion City School District / 13,098 |
| 244. | 49.3 | New Lexington City School District / 10,574 |
| 244. | 49.3 | Bucyrus City School District / 10,540 |
| 244. | 49.3 | East Clinton Local School District / 8,529 |
| 244. | 49.3 | Clear Fork Valley Local School District / 10,097 |
| 244. | 49.3 | East Palestine City School District / 8,216 |
| 244. | 49.3 | Beavercreek City School District / 54,348 |
| 254. | 49.2 | Xenia Community City School District / 37,088 |
| 254. | 49.2 | Coventry Local School District / 13,182 |
| 254. | 49.2 | Manchester Local School District / 9,307 |
| 254. | 49.2 | Green Local School District / 25,856 |
| 254. | 49.2 | Dayton City School District / 151,829 |
| 254. | 49.2 | Warren Local School District / 14,570 |
| 254. | 49.2 | Belpre City School District / 8,414 |
| 261. | 49.1 | Strongsville City School District / 44,789 |
| 261. | 49.1 | Eastern Local School District / 5,192 |
| 261. | 49.1 | Martins Ferry City School District / 9,934 |
| 261. | 49.1 | Bellaire Local School District / 9,719 |
| 261. | 49.1 | St. Clairsville-Richland City School District / 16,536 |
| 261. | 49.1 | Union Local School District / 9,339 |
| 261. | 49.1 | Southern Local School District / 4,675 |
| 261. | 49.1 | Berea City School District / 52,863 |
| 261. | 49.1 | Bridgeport Exempted Village School District / 6,739 |
| 261. | 49.1 | Parma City School District / 112,905 |
| 261. | 49.1 | Norton City School District / 14,233 |
| 261. | 49.1 | Federal Hocking Local School District / 8,078 |
| 261. | 49.1 | Barnesville Exempted Village School District / 7,706 |
| 261. | 49.1 | Alexander Local School District / 10,396 |
| 261. | 49.1 | North Royalton City School District / 36,206 |
| 261. | 49.1 | Danville Local School District / 3,762 |
| 261. | 49.1 | Western Local School District / 5,350 |
| 278. | 49.0 | Eastern Local School District / 4,921 |
| 278. | 49.0 | Bloom-Vernon Local School District / 5,333 |
| 278. | 49.0 | Waverly City School District / 11,394 |
| 281. | 48.9 | Chippewa Local School District / 9,289 |
| 281. | 48.9 | Oak Hill Union Local School District / 7,856 |
| 281. | 48.9 | Wheelersburg Local School District / 8,443 |
| 281. | 48.9 | New Boston Local School District / 2,324 |
| 281. | 48.9 | Portsmouth City School District / 21,759 |
| 281. | 48.9 | Clay Local School District / 3,631 |
| 281. | 48.9 | Scioto Valley Local School District / 8,444 |
| 281. | 48.9 | Green Local School District / 4,168 |
| 281. | 48.9 | Minford Local School District / 7,746 |
| 281. | 48.9 | Northwest Local School District / 9,760 |
| 281. | 48.9 | Washington-Nile Local School District / 7,850 |
| 281. | 48.9 | Valley Local School District / 6,577 |
| 293. | 48.8 | Ridgemont Local School District / 3,180 |
| 293. | 48.8 | Fairborn City School District / 42,648 |
| 293. | 48.8 | Northridge Local School District / 11,090 |
| 293. | 48.8 | Williamsburg Local School District / 6,223 |
| 293. | 48.8 | Mad River Local School District / 21,825 |
| 293. | 48.8 | Northwestern Local School District / 10,744 |
| 293. | 48.8 | Kenton City School District / 11,692 |
| 293. | 48.8 | Miami East Local School District / 7,284 |
| 293. | 48.8 | Bethel Local School District / 5,778 |
| 293. | 48.8 | Huber Heights City School District / 41,728 |
| 303. | 48.7 | Northeastern Local School District / 22,467 |
| 303. | 48.7 | Greenon Local School District / 12,122 |
| 303. | 48.7 | Cedar Cliff Local School District / 6,444 |
| 303. | 48.7 | Clark-Shawnee Local School District / 11,898 |
| 303. | 48.7 | Wadsworth City School District / 27,542 |
| 303. | 48.7 | Springfield City School District / 57,043 |
| 303. | 48.7 | Yellow Springs Exempted Village School District / 4,260 |
| 303. | 48.7 | Logan-Hocking Local School District / 24,272 |
| 303. | 48.7 | North Central Local School District / 8,196 |
| 303. | 48.7 | Rittman Exempted Village School District / 7,205 |
| 303. | 48.7 | Forest Hills Local School District / 46,271 |
| 314. | 48.6 | College Corner Local School District / 578 |
| 314. | 48.6 | Troy City School District / 31,046 |
| 316. | 48.5 | Vandalia-Butler City School District / 23,512 |
| 316. | 48.5 | Piqua City School District / 23,955 |
| 316. | 48.5 | Lexington Local School District / 15,679 |
| 316. | 48.5 | Upper Sandusky Exempted Village School District / 11,749 |
| 316. | 48.5 | Cambridge City School District / 15,805 |
| 316. | 48.5 | Tipp City Exempted Village School District / 14,812 |
| 316. | 48.5 | Wynford Local School District / 6,434 |
| 323. | 48.5 | Newton Local School District / 3,272 |
| 323. | 48.5 | Milton-Union Exempted Village School District / 9,658 |
| 323. | 48.5 | Euclid City School District / 48,314 |
| 323. | 48.5 | Covington Exempted Village School District / 5,294 |
| 323. | 48.5 | Tecumseh Local School District / 19,034 |
| 323. | 48.5 | Northmont City School District / 34,843 |
| 323. | 48.5 | Colonel Crawford Local School District / 5,629 |
| 330. | 48.4 | Brookville Local School District / 10,239 |
| 330. | 48.4 | Bradford Exempted Village School District / 2,921 |
| 330. | 48.4 | Brunswick City School District / 46,228 |
| 330. | 48.4 | Twin Valley Community Local School District / 5,870 |
| 330. | 48.4 | Russia Local School District / 1,818 |
| 335. | 48.3 | St. Henry Consolidated Local School District / 4,580 |
| 335. | 48.3 | Arcanum-Butler Local School District / 5,960 |
| 335. | 48.3 | Franklin Monroe Local School District / 3,723 |
| 335. | 48.3 | Barberton City School District / 25,636 |
| 335. | 48.3 | Greenville City School District / 21,953 |
| 335. | 48.3 | Versailles Exempted Village School District / 6,502 |
| 335. | 48.3 | Tri-Village Local School District / 4,603 |
| 335. | 48.3 | Tri-County North Local School District / 5,599 |
| 343. | 48.2 | Brookfield Local School District / 8,737 |
| 343. | 48.2 | Eaton Community City School District / 14,140 |
| 343. | 48.2 | Upper Scioto Valley Local School District / 4,148 |
| 343. | 48.2 | Marion Local School District / 3,551 |
| 343. | 48.2 | National Trail Local School District / 7,107 |
| 343. | 48.2 | Preble Shawnee Local School District / 8,899 |
| 343. | 48.2 | Tri-Valley Local School District / 17,064 |
| 350. | 48.1 | South Point Local School District / 12,410 |
| 350. | 48.1 | Mathews Local School District / 7,161 |
| 350. | 48.1 | Waynesfield-Goshen Local School District / 2,936 |
| 350. | 48.1 | Indian Lake Local School District / 11,589 |
| 350. | 48.1 | Crestview Local School District / 5,933 |
| 350. | 48.1 | Columbiana Exempted Village School District / 8,005 |
| 356. | 48.0 | Manchester Local School District / 5,570 |
| 356. | 48.0 | Hillsdale Local School District / 6,723 |
| 358. | 47.9 | Revere Local School District / 20,314 |
| 358. | 47.9 | Copley-Fairlawn City School District / 21,665 |
| 358. | 47.9 | Jackson Center Local School District / 2,750 |
| 361. | 47.8 | Wapakoneta City School District / 19,399 |
| 361. | 47.8 | Botkins Local School District / 2,522 |
| 361. | 47.8 | Anna Local School District / 5,363 |
| 361. | 47.8 | Pymatuning Valley Local School District / 8,115 |
| 361. | 47.8 | Bristol Local School District / 5,585 |
| 361. | 47.8 | Joseph Badger Local School District / 6,519 |
| 361. | 47.8 | Lakeview Local School District / 12,488 |
| 361. | 47.8 | Maplewood Local School District / 5,557 |
| 369. | 47.7 | Dawson-Bryant Local School District / 6,981 |
| 369. | 47.7 | Wickliffe City School District / 12,671 |
| 371. | 47.6 | Crestwood Local School District / 14,863 |
| 371. | 47.6 | Crestline Exempted Village School District / 5,303 |
| 373. | 47.5 | Stow-Munroe Falls City School District / 40,039 |
| 373. | 47.5 | Tallmadge City School District / 17,540 |
| 373. | 47.5 | Springfield Local School District / 19,428 |
| 373. | 47.5 | Akron City School District / 189,945 |
| 373. | 47.5 | Mogadore Local School District / 4,253 |
| 373. | 47.5 | Hudson City School District / 23,714 |
| 373. | 47.5 | Cuyahoga Falls City School District / 40,871 |
| 373. | 47.5 | East Cleveland City School District / 20,380 |
| 373. | 47.5 | Woodridge Local School District / 17,813 |
| 382. | 47.5 | Warren City School District / 36,888 |
| 382. | 47.5 | New Bremen Local School District / 4,437 |
| 382. | 47.5 | Struthers City School District / 11,533 |
| 382. | 47.5 | Lordstown Local School District / 3,374 |
| 382. | 47.5 | West Clermont Local School District / 68,619 |
| 382. | 47.5 | New Knoxville Local School District / 1,903 |
| 382. | 47.5 | Girard City School District / 10,875 |
| 382. | 47.5 | Minster Local School District / 4,236 |
| 382. | 47.5 | Niles City School District / 19,087 |
| 382. | 47.5 | Liberty Local School District / 11,944 |
| 382. | 47.5 | Howland Local School District / 21,936 |
| 382. | 47.5 | Champion Local School District / 9,465 |
| 382. | 47.5 | Youngstown City School District / 67,859 |
| 382. | 47.5 | McDonald Local School District / 3,707 |
| 382. | 47.5 | Boardman Local School District / 37,022 |
| 382. | 47.5 | Field Local School District / 17,036 |
| 382. | 47.5 | Ravenna City School District / 20,763 |
| 382. | 47.5 | Western Brown Local School District / 16,719 |
| 382. | 47.5 | Batavia Local School District / 11,594 |
| 382. | 47.5 | Fort Loramie Local School District / 3,882 |
| 382. | 47.5 | Kent City School District / 34,287 |
| 382. | 47.5 | Austintown Local School District / 35,594 |
| 382. | 47.5 | Rootstown Local School District / 8,293 |
| 382. | 47.5 | Campbell City School District / 8,112 |
| 382. | 47.5 | Waterloo Local School District / 8,081 |
| 382. | 47.5 | Canfield Local School District / 18,421 |
| 382. | 47.5 | Weathersfield Local School District / 5,647 |
| 382. | 47.5 | LaBrae Local School District / 8,956 |
| 382. | 47.5 | Streetsboro City School District / 16,006 |
| 411. | 47.4 | Antwerp Local School District / 3,878 |
| 411. | 47.4 | Wayne Trace Local School District / 5,626 |
| 411. | 47.4 | Crestview Local School District / 4,617 |
| 411. | 47.4 | Hicksville Exempted Village School District / 5,172 |
| 411. | 47.4 | Ontario Local School District / 10,990 |
| 411. | 47.4 | James A. Garfield Local School District / 9,271 |
| 411. | 47.4 | Highland Local School District / 17,824 |
| 411. | 47.4 | Leetonia Exempted Village School District / 4,618 |
| 411. | 47.4 | Salem City School District / 17,064 |
| 411. | 47.4 | Paulding Exempted Village School District / 9,985 |
| 411. | 47.4 | Edon Northwest Local School District / 3,298 |
| 411. | 47.4 | Jackson-Milton Local School District / 5,928 |
| 411. | 47.4 | Central Local School District / 6,278 |
| 411. | 47.4 | Edgerton Local School District / 4,165 |
| 411. | 47.4 | Western Reserve Local School District / 4,065 |
| 411. | 47.4 | Montpelier Exempted Village School District / 6,068 |
| 411. | 47.4 | Ironton City School District / 10,984 |
| 411. | 47.4 | Northwestern Local School District / 8,348 |
| 411. | 47.4 | Bryan City School District / 12,902 |
| 411. | 47.4 | Windham Exempted Village School District / 3,562 |
| 411. | 47.4 | South Range Local School District / 6,768 |
| 432. | 47.3 | Southington Local School District / 3,672 |
| 432. | 47.3 | Hardin Northern Local School District / 3,024 |
| 432. | 47.3 | Newton Falls Exempted Village School District / 8,699 |
| 432. | 47.3 | Hubbard Exempted Village School District / 13,395 |
| 432. | 47.3 | Springfield Local School District / 8,243 |
| 437. | 47.2 | Lowellville Local School District / 2,112 |
| 437. | 47.2 | Poland Local School District / 15,265 |
| 437. | 47.2 | Rock Hill Local School District / 9,051 |
| 437. | 47.2 | Brecksville-Broadview Heights City School District / 27,018 |
| 437. | 47.2 | Southeast Local School District / 11,480 |
| 442. | 47.1 | Cleveland Heights-University Heights City School District / 57,800 |
| 442. | 47.1 | Mayfield City School District / 33,006 |
| 442. | 47.1 | North Central Local School District / 4,431 |
| 442. | 47.1 | Richmond Heights Local School District / 9,990 |
| 442. | 47.1 | South Euclid-Lyndhurst City School District / 34,666 |
| 447. | 47.0 | Aurora City School District / 15,858 |
| 447. | 47.0 | Shawnee Local School District / 16,599 |
| 449. | 46.9 | Mansfield City School District / 34,393 |
| 449. | 46.9 | Lima City School District / 29,941 |
| 449. | 46.9 | Buckeye Central Local School District / 5,378 |
| 452. | 46.8 | Ottoville Local School District / 2,548 |
| 452. | 46.8 | Jennings Local School District / 1,658 |
| 452. | 46.8 | Mohawk Local School District / 6,555 |
| 452. | 46.8 | Lucas Local School District / 3,177 |
| 452. | 46.8 | New Richmond Exempted Village School District / 13,642 |
| 452. | 46.8 | Chagrin Falls Exempted Village School District / 10,389 |
| 452. | 46.8 | Ripley-Union-Lewis-Huntington Local School District / 7,429 |
| 452. | 46.8 | Georgetown Exempted Village School District / 7,113 |
| 452. | 46.8 | Elida Local School District / 20,017 |
| 452. | 46.8 | Felicity-Franklin Local School District / 5,432 |
| 452. | 46.8 | Bethel-Tate Local School District / 9,676 |
| 463. | 46.7 | Cloverleaf Local School District / 19,374 |
| 463. | 46.7 | Spencerville Local School District / 4,725 |
| 463. | 46.7 | Medina City School District / 44,474 |
| 463. | 46.7 | Ada Exempted Village School District / 7,851 |
| 463. | 46.7 | North Olmsted City School District / 32,253 |
| 463. | 46.7 | Ansonia Local School District / 3,445 |
| 463. | 46.7 | Celina City School District / 18,485 |
| 470. | 46.6 | Ottawa-Glandorf Local School District / 8,911 |
| 470. | 46.6 | Hopewell-Loudon Local School District / 4,178 |
| 470. | 46.6 | Lakota Local School District / 6,639 |
| 470. | 46.6 | Delphos City School District / 10,121 |
| 470. | 46.6 | Orange City School District / 14,294 |
| 470. | 46.6 | Perry Local School District / 3,921 |
| 470. | 46.6 | Tiffin City School District / 22,092 |
| 470. | 46.6 | Beachwood City School District / 11,855 |
| 470. | 46.6 | Shaker Heights City School District / 31,620 |
| 470. | 46.6 | Arlington Local School District / 4,019 |
| 470. | 46.6 | Cory-Rawson Local School District / 3,905 |
| 470. | 46.6 | Bluffton Exempted Village School District / 7,216 |
| 470. | 46.6 | Pandora-Gilboa Local School District / 3,210 |
| 470. | 46.6 | Miller City-New Cleveland Local School District / 2,341 |
| 470. | 46.6 | Riverdale Local School District / 5,817 |
| 470. | 46.6 | Leipsic Local School District / 3,407 |
| 486. | 46.5 | Fremont City School District / 29,377 |
| 486. | 46.5 | Evergreen Local School District / 7,250 |
| 486. | 46.5 | Carey Exempted Village School District / 5,318 |
| 486. | 46.5 | Liberty-Benton Local School District / 6,498 |
| 486. | 46.5 | Findlay City School District / 41,911 |
| 486. | 46.5 | Gibsonburg Exempted Village School District / 5,475 |
| 486. | 46.5 | Vanlue Local School District / 1,631 |
| 486. | 46.5 | Bath Local School District / 12,418 |
| 486. | 46.5 | Fayette Local School District / 2,520 |
| 486. | 46.5 | Allen East Local School District / 5,761 |
| 486. | 46.5 | Bettsville Local School District / 1,245 |
| 486. | 46.5 | Old Fort Local School District / 2,193 |
| 486. | 46.5 | Clyde-Green Springs Exempted Village School District / 13,242 |
| 486. | 46.5 | Woodmore Local School District / 6,551 |
| 486. | 46.5 | Van Wert City School District / 14,069 |
| 486. | 46.5 | Parkway Local School District / 5,808 |
| 486. | 46.5 | Kalida Local School District / 3,586 |
| 486. | 46.5 | Lincolnview Local School District / 3,780 |
| 486. | 46.5 | Continental Local School District / 3,625 |
| 486. | 46.5 | Jefferson Area Local School District / 11,151 |
| 486. | 46.5 | Columbus Grove Local School District / 5,279 |
| 507. | 46.5 | Wauseon Exempted Village School District / 10,048 |
| 507. | 46.5 | Anthony Wayne Local School District / 28,200 |
| 507. | 46.5 | Fostoria City School District / 13,965 |
| 507. | 46.5 | Elmwood Local School District / 6,516 |
| 507. | 46.5 | Bowling Green City School District / 37,342 |
| 507. | 46.5 | Patrick Henry Local School District / 5,259 |
| 507. | 46.5 | Liberty Center Local School District / 5,596 |
| 507. | 46.5 | Pettisville Local School District / 2,065 |
| 507. | 46.5 | Archbold Area Local School District / 7,274 |
| 507. | 46.5 | Arcadia Local School District / 2,876 |
| 507. | 46.5 | McComb Local School District / 4,417 |
| 507. | 46.5 | Eastwood Local School District / 8,961 |
| 507. | 46.5 | Van Buren Local School District / 6,220 |
| 507. | 46.5 | Napoleon Area City School District / 14,444 |
| 507. | 46.5 | New Riegel Local School District / 1,707 |
| 507. | 46.5 | Otsego Local School District / 9,570 |
| 507. | 46.5 | North Baltimore Local School District / 4,206 |
| 507. | 46.5 | Millcreek-West Unity Local School District / 3,687 |
| 507. | 46.5 | Holgate Local School District / 2,402 |
| 526. | 46.4 | St. Marys City School District / 13,058 |
| 527. | 46.3 | Grand Valley Local School District / 9,369 |
| 527. | 46.3 | West Geauga Local School District / 16,032 |
| 527. | 46.3 | Bloomfield-Mespo Local School District / 4,412 |
| 530. | 46.2 | Genoa Area Local School District / 8,667 |
| 530. | 46.2 | Coldwater Exempted Village School District / 6,475 |
| 532. | 46.1 | Defiance City School District / 16,622 |
| 533. | 46.0 | Lake Local School District / 11,283 |
| 533. | 46.0 | Northwood Local School District / 5,285 |
| 535. | 45.9 | Buckeye Local School District / 12,350 |
| 535. | 45.9 | Sylvania City School District / 52,904 |
| 535. | 45.9 | Maumee City School District / 17,387 |
| 535. | 45.9 | Toledo City School District / 226,891 |
| 535. | 45.9 | Pike-Delta-York Local School District / 8,762 |
| 535. | 45.9 | Springfield Local School District / 30,428 |
| 535. | 45.9 | Swanton Local School District / 9,213 |
| 535. | 45.9 | Rossford Exempted Village School District / 13,601 |
| 535. | 45.9 | Perrysburg Exempted Village School District / 27,236 |
| 535. | 45.9 | Kenston Local School District / 17,273 |
| 535. | 45.9 | Ottawa Hills Local School District / 4,585 |
| 546. | 45.8 | Mississinawa Valley Local School District / 3,876 |
| 547. | 45.7 | Benton-Carroll-Salem Local School District / 10,411 |
| 547. | 45.7 | Stryker Local School District / 3,481 |
| 547. | 45.7 | Oregon City School District / 23,520 |
| 547. | 45.7 | Madison Local School District / 26,560 |
| 547. | 45.7 | Conneaut Area City School District / 14,946 |
| 552. | 45.6 | Northeastern Local School District / 6,446 |
| 553. | 45.5 | Seneca East Local School District / 4,700 |
| 553. | 45.5 | Port Clinton City School District / 13,169 |
| 553. | 45.5 | Cardinal Local School District / 15,182 |
| 553. | 45.5 | North Bass Local School District / 12 |
| 553. | 45.5 | Middle Bass Local School District / 167 |
| 558. | 45.5 | Ayersville Local School District / 3,802 |
| 558. | 45.5 | Fort Recovery Local School District / 4,093 |
| 558. | 45.5 | Washington Local School District / 49,317 |
| 561. | 45.3 | Shelby City School District / 12,888 |
| 562. | 45.2 | Put-in-Bay Local School District / 538 |
| 562. | 45.2 | Olmsted Falls City School District / 24,126 |
| 564. | 45.1 | Newbury Local School District / 5,574 |
| 564. | 45.1 | Willoughby-Eastlake City School District / 65,379 |
| 566. | 45.0 | Kirtland Local School District / 7,746 |
| 567. | 44.9 | Berkshire Local School District / 9,124 |
| 568. | 44.7 | Westlake City School District / 32,513 |
| 568. | 44.7 | Bay Village City School District / 15,508 |
| 570. | 44.6 | Chardon Local School District / 21,575 |
| 570. | 44.6 | Margaretta Local School District / 7,391 |
| 570. | 44.6 | Bellevue City School District / 13,102 |
| 573. | 44.5 | Mentor Exempted Village School District / 60,837 |
| 573. | 44.5 | Perkins Local School District / 13,965 |
| 575. | 44.5 | Ashland City School District / 26,474 |
| 576. | 44.4 | Painesville City Local School District / 17,311 |
| 576. | 44.4 | Riverside Local School District / 34,902 |
| 576. | 44.4 | Ledgemont Local School District / 4,215 |
| 576. | 44.4 | Fairport Harbor Exempted Village School District / 3,110 |
| 576. | 44.4 | Geneva Area City School District / 16,913 |
| 576. | 44.4 | Perry Local School District / 8,987 |
| 576. | 44.4 | Madison Local School District / 18,857 |
| 583. | 44.3 | Norwalk City School District / 18,726 |
| 583. | 44.3 | Kelleys Island Local School District / 171 |
| 583. | 44.3 | Western Reserve Local School District / 6,740 |
| 583. | 44.3 | Buckeye Local School District / 14,179 |
| 583. | 44.3 | Danbury Local School District / 5,337 |
| 588. | 44.2 | Monroeville Local School District / 4,471 |
| 588. | 44.2 | Sandusky City School District / 25,617 |
| 590. | 44.1 | North Ridgeville City School District / 30,680 |
| 590. | 44.1 | Ashtabula Area City School District / 27,502 |
| 590. | 44.1 | Sheffield-Sheffield Lake City School District / 13,104 |
| 590. | 44.1 | Avon Local School District / 21,783 |
| 590. | 44.1 | Lorain City School District / 53,054 |
| 590. | 44.1 | Amherst Exempted Village School District / 24,432 |
| 590. | 44.1 | Huron City School District / 10,572 |
| 590. | 44.1 | Clearview Local School District / 6,130 |
| 590. | 44.1 | Columbia Local School District / 6,669 |
| 590. | 44.1 | Firelands Local School District / 11,686 |
| 590. | 44.1 | Midview Local School District / 23,977 |
| 590. | 44.1 | Vermilion Local School District / 14,502 |
| 590. | 44.1 | Elyria City School District / 52,115 |
| 590. | 44.1 | Avon Lake City School District / 22,871 |
| 604. | 44.0 | New London Local School District / 5,510 |
| 604. | 44.0 | South Central Local School District / 5,292 |
| 604. | 44.0 | Black River Local School District / 9,924 |
| 604. | 44.0 | Mapleton Local School District / 7,111 |
| 604. | 44.0 | Crestview Local School District / 6,943 |
| 604. | 44.0 | Plymouth-Shiloh Local School District / 5,260 |
| 604. | 44.0 | Wellington Exempted Village School District / 8,683 |
| 611. | 43.9 | Willard City School District / 11,223 |
| 612. | 43.8 | Oberlin City School District / 11,014 |
| 612. | 43.8 | Keystone Local School District / 11,216 |
| 612. | 43.8 | Berlin-Milan Local School District / 9,420 |
Please note that we only rank locations with 'Air Quality Index' data. The rank above might not be a complete list. Locations without 'Air Quality Index' data are not listed.
