| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 52.1 | Oldham County School District / 61,711 |
| 1. | 52.1 | Trimble County School District / 8,816 |
| 3. | 50.0 | Spencer County School District / 17,419 |
| 4. | 49.8 | Eminence Independent School District / 3,128 |
| 4. | 49.8 | Henry County School District / 12,299 |
| 6. | 49.6 | West Point Independent School District / 997 |
| 6. | 49.6 | Elizabethtown Independent School District for West Point ISD / 997 |
| 8. | 49.5 | Bullitt County School District / 76,093 |
| 8. | 49.5 | Meade County School District / 25,180 |
| 10. | 49.4 | Anchorage Independent School District / 2,240 |
| 10. | 49.4 | Jefferson County School District / 749,245 |
| 12. | 49.2 | Shelby County School District / 43,581 |
| 13. | 49.1 | Dayton Independent School District / 5,498 |
| 14. | 49.0 | Fort Knox Dependent Schools / 11,447 |
| 15. | 48.9 | Bardstown Independent School District / 13,059 |
| 15. | 48.9 | Greenup County School District / 19,453 |
| 15. | 48.9 | Nelson County School District / 31,195 |
| 18. | 48.8 | Breckinridge County School District / 18,600 |
| 18. | 48.8 | Daviess County School District / 67,692 |
| 18. | 48.8 | Cloverport Independent School District / 1,476 |
| 18. | 48.8 | McLean County School District / 9,510 |
| 18. | 48.8 | Owensboro Independent School District / 29,939 |
| 23. | 48.7 | Ohio County School District / 23,956 |
| 24. | 48.4 | Ludlow Independent School District / 5,172 |
| 24. | 48.4 | Fayette County School District / 304,473 |
| 24. | 48.4 | Hancock County School District / 8,654 |
| 27. | 48.3 | Warren County School District / 90,542 |
| 27. | 48.3 | Muhlenberg County School District / 31,391 |
| 27. | 48.3 | Washington County School District / 11,871 |
| 27. | 48.3 | Bowling Green Independent School District / 26,627 |
| 31. | 48.2 | Hart County School District / 15,718 |
| 31. | 48.2 | Green County School District / 11,186 |
| 31. | 48.2 | Jessamine County School District / 49,601 |
| 31. | 48.2 | Burgin Independent School District / 2,915 |
| 31. | 48.2 | Mercer County School District / 18,396 |
| 36. | 48.0 | Boone County School District / 117,040 |
| 36. | 48.0 | Kenton County School District / 101,128 |
| 38. | 47.8 | Marion County School District / 19,965 |
| 38. | 47.8 | Hardin County School District / 87,660 |
| 38. | 47.8 | Elizabethtown Independent School District / 11,484 |
| 41. | 47.7 | Larue County School District / 14,149 |
| 41. | 47.7 | Glasgow Independent School District / 12,573 |
| 41. | 47.7 | Taylor County School District / 16,219 |
| 41. | 47.7 | Logan County School District / 21,118 |
| 41. | 47.7 | Monroe County School District / 10,837 |
| 41. | 47.7 | Campbellsville Independent School District / 8,840 |
| 41. | 47.7 | Barren County School District / 26,977 |
| 41. | 47.7 | Russellville Independent School District / 5,726 |
| 49. | 47.6 | Grayson County School District / 25,934 |
| 49. | 47.6 | Cumberland County School District / 6,829 |
| 49. | 47.6 | Paris Independent School District / 5,623 |
| 49. | 47.6 | Butler County School District / 12,797 |
| 49. | 47.6 | Bourbon County School District / 14,349 |
| 54. | 47.5 | Hopkins County School District / 44,153 |
| 54. | 47.5 | Allen County School District / 20,219 |
| 54. | 47.5 | Robertson County School District / 2,239 |
| 54. | 47.5 | Scott County School District / 49,167 |
| 54. | 47.5 | Simpson County School District / 17,551 |
| 54. | 47.5 | Nicholas County School District / 7,064 |
| 54. | 47.5 | Christian County School District / 60,380 |
| 54. | 47.5 | Harrison County School District / 18,643 |
| 62. | 47.5 | Middlesboro Independent School District / 10,154 |
| 63. | 47.4 | Todd County School District / 12,499 |
| 63. | 47.4 | Ashland Independent School District / 21,426 |
| 63. | 47.4 | Caverna Independent School District / 5,850 |
| 63. | 47.4 | Boyd County School District / 23,871 |
| 63. | 47.4 | Harlan Independent School District / 3,099 |
| 63. | 47.4 | Russell Independent School District / 12,415 |
| 63. | 47.4 | Edmonson County School District / 12,137 |
| 63. | 47.4 | Metcalfe County School District / 10,025 |
| 63. | 47.4 | Fairview Independent School District / 3,945 |
| 72. | 47.3 | Adair County School District / 19,032 |
| 72. | 47.3 | Newport Independent School District / 15,762 |
| 72. | 47.3 | Harlan County School District / 25,645 |
| 72. | 47.3 | Bell County School District / 16,160 |
| 72. | 47.3 | Fort Campbell Dependent Schools / 14,079 |
| 77. | 47.2 | Clinton County School District / 10,192 |
| 77. | 47.2 | Wayne County School District / 20,728 |
| 77. | 47.2 | Monticello Independent School District / 3,891 |
| 77. | 47.2 | Raceland-Worthington Independent School District / 4,788 |
| 81. | 47.1 | Beechwood Independent School District / 6,136 |
| 81. | 47.1 | Covington Independent School District / 32,984 |
| 81. | 47.1 | Erlanger-Elsmere Independent School District / 16,495 |
| 84. | 47.0 | Williamstown Independent School District / 3,830 |
| 84. | 47.0 | Dawson Springs Independent School District / 2,531 |
| 84. | 47.0 | Clark County School District / 35,633 |
| 84. | 47.0 | Powell County School District / 12,552 |
| 84. | 47.0 | Campbell County School District / 42,589 |
| 84. | 47.0 | Grant County School District / 20,837 |
| 84. | 47.0 | Silver Grove Independent School District / 1,652 |
| 91. | 46.9 | Bellevue Independent School District / 5,817 |
| 92. | 46.8 | Augusta Independent School District / 1,415 |
| 92. | 46.8 | Russell County School District / 17,646 |
| 92. | 46.8 | Pendleton County School District / 14,642 |
| 92. | 46.8 | Walton-Verona Independent School District / 5,990 |
| 92. | 46.8 | Gallatin County School District / 8,554 |
| 92. | 46.8 | Whitley County School District / 20,726 |
| 98. | 46.7 | Williamsburg Independent School District / 5,582 |
| 98. | 46.7 | Bracken County School District / 7,044 |
| 100. | 46.6 | Danville Independent School District / 13,706 |
| 100. | 46.6 | Estill County School District / 14,547 |
| 100. | 46.6 | Boyle County School District / 15,444 |
| 100. | 46.6 | Berea Independent School District / 7,042 |
| 100. | 46.6 | Madison County School District / 78,443 |
| 100. | 46.6 | Garrard County School District / 16,880 |
| 100. | 46.6 | Trigg County School District / 14,277 |
| 107. | 46.5 | Henderson County School District / 46,394 |
| 107. | 46.5 | Montgomery County School District / 26,983 |
| 107. | 46.5 | Union County School District / 15,192 |
| 107. | 46.5 | Anderson County School District / 21,664 |
| 107. | 46.5 | Webster County School District / 13,454 |
| 112. | 46.5 | Elliott County School District / 7,781 |
| 112. | 46.5 | Woodford County School District / 25,151 |
| 112. | 46.5 | Carter County School District / 27,439 |
| 112. | 46.5 | Rowan County School District / 23,485 |
| 112. | 46.5 | Barbourville Independent School District / 2,839 |
| 112. | 46.5 | Mason County School District / 17,398 |
| 112. | 46.5 | Lewis County School District / 13,848 |
| 112. | 46.5 | Knox County School District / 27,939 |
| 112. | 46.5 | Lawrence County School District / 15,850 |
| 121. | 46.4 | Frankfort Independent School District / 4,466 |
| 121. | 46.4 | Corbin Independent School District / 10,328 |
| 121. | 46.4 | Franklin County School District / 45,043 |
| 121. | 46.4 | McCreary County School District / 18,073 |
| 125. | 46.3 | Pineville Independent School District / 1,920 |
| 126. | 46.1 | Fort Thomas Independent School District / 16,203 |
| 126. | 46.1 | Southgate Independent School District / 3,747 |
| 126. | 46.1 | Livingston County School District / 9,443 |
| 129. | 46.0 | Fulton County School District / 3,991 |
| 129. | 46.0 | Crittenden County School District / 9,254 |
| 129. | 46.0 | Calloway County School District / 27,479 |
| 129. | 46.0 | Lincoln County School District / 24,546 |
| 129. | 46.0 | Murray Independent School District / 10,502 |
| 134. | 45.9 | Carroll County School District / 10,871 |
| 134. | 45.9 | Carlisle County School District / 5,031 |
| 134. | 45.9 | Hickman County School District / 4,790 |
| 134. | 45.9 | Paducah Independent School District / 19,773 |
| 134. | 45.9 | Fulton Independent School District / 2,559 |
| 139. | 45.8 | Leslie County School District / 11,128 |
| 140. | 45.7 | Laurel County School District / 58,128 |
| 140. | 45.7 | Clay County School District / 21,446 |
| 140. | 45.7 | Owen County School District / 10,740 |
| 143. | 45.6 | Ballard County School District / 8,274 |
| 143. | 45.6 | Marshall County School District / 31,223 |
| 143. | 45.6 | McCracken County School District / 45,772 |
| 146. | 45.5 | Graves County School District / 27,809 |
| 146. | 45.5 | Lee County School District / 7,681 |
| 146. | 45.5 | Mayfield Independent School District / 9,642 |
| 149. | 45.5 | Lyon County School District / 8,415 |
| 149. | 45.5 | Caldwell County School District / 12,880 |
| 149. | 45.5 | Owsley County School District / 4,686 |
| 152. | 45.3 | Fleming County School District / 14,505 |
| 153. | 45.2 | Letcher County School District / 20,717 |
| 153. | 45.2 | Bath County School District / 11,870 |
| 155. | 45.1 | Jackson Independent School District / 1,016 |
| 155. | 45.1 | Hazard Independent School District / 5,047 |
| 155. | 45.1 | Johnson County School District / 19,723 |
| 155. | 45.1 | Wolfe County School District / 7,273 |
| 155. | 45.1 | Knott County School District / 16,139 |
| 155. | 45.1 | Perry County School District / 23,214 |
| 155. | 45.1 | Magoffin County School District / 13,076 |
| 155. | 45.1 | Breathitt County School District / 12,647 |
| 155. | 45.1 | Martin County School District / 12,750 |
| 164. | 45.0 | Laurel County School District for East Bernstadt ISD / 1,407 |
| 164. | 45.0 | Paintsville Independent School District / 3,667 |
| 164. | 45.0 | East Bernstadt Independent School District / 1,407 |
| 167. | 44.7 | Casey County School District / 16,002 |
| 168. | 44.5 | Jenkins Independent School District / 3,248 |
| 169. | 44.5 | Pikeville Independent School District / 7,003 |
| 169. | 44.5 | Pike County School District / 57,377 |
| 169. | 44.5 | Floyd County School District / 39,087 |
| 172. | 44.4 | Jackson County School District / 13,370 |
| 173. | 44.3 | Science Hill Independent School District / 2,234 |
| 173. | 44.3 | Pulaski County School District / 52,235 |
| 173. | 44.3 | Somerset Independent School District / 9,036 |
| 173. | 44.3 | Rockcastle County School District / 16,965 |
| 173. | 44.3 | Pulaski County School District for Science Hill ISD / 2,234 |
| 178. | 43.5 | Morgan County School District / 13,522 |
| 179. | 43.4 | Menifee County School District / 6,337 |
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.
