| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 53.5 | Lincoln County School District / 21,599 |
| 1. | 53.5 | Putnam County School District / 56,356 |
| 3. | 53.0 | Mason County School District / 27,207 |
| 4. | 52.8 | Kanawha County School District / 191,765 |
| 5. | 52.5 | Brooke County School District / 23,787 |
| 5. | 52.5 | Boone County School District / 24,257 |
| 7. | 52.0 | Logan County School District / 36,169 |
| 8. | 51.8 | Jackson County School District / 29,229 |
| 9. | 51.3 | Roane County School District / 14,749 |
| 10. | 51.0 | Clay County School District / 9,226 |
| 10. | 51.0 | Hancock County School District / 30,369 |
| 12. | 50.5 | Calhoun County School District / 7,583 |
| 13. | 50.0 | Gilmer County School District / 8,706 |
| 13. | 50.0 | Marshall County School District / 32,716 |
| 15. | 49.9 | Pleasants County School District / 7,600 |
| 16. | 49.5 | Wirt County School District / 5,810 |
| 16. | 49.5 | Wood County School District / 86,595 |
| 18. | 49.5 | Wayne County School District / 41,735 |
| 19. | 49.4 | Cabell County School District / 96,826 |
| 20. | 49.3 | Doddridge County School District / 8,282 |
| 21. | 49.2 | Tyler County School District / 9,084 |
| 22. | 49.1 | Ohio County School District / 43,956 |
| 23. | 49.0 | Wetzel County School District / 16,314 |
| 24. | 47.9 | Mingo County School District / 26,229 |
| 24. | 47.9 | Ritchie County School District / 10,221 |
| 26. | 47.4 | Lewis County School District / 16,412 |
| 26. | 47.4 | Upshur County School District / 24,487 |
| 28. | 47.3 | Braxton County School District / 14,492 |
| 29. | 47.2 | Preston County School District / 33,720 |
| 29. | 47.2 | Taylor County School District / 16,969 |
| 29. | 47.2 | Tucker County School District / 6,996 |
| 29. | 47.2 | Marion County School District / 56,698 |
| 29. | 47.2 | Harrison County School District / 69,069 |
| 29. | 47.2 | Monongalia School District / 100,332 |
| 29. | 47.2 | Barbour County School District / 16,723 |
| 36. | 47.1 | Randolph County School District / 29,446 |
| 37. | 46.5 | Wyoming County School District / 23,203 |
| 38. | 46.5 | Mineral County School District / 27,912 |
| 39. | 46.3 | Raleigh County School District / 78,827 |
| 39. | 46.3 | Hardy County School District / 13,955 |
| 41. | 46.0 | Fayette County School District / 45,709 |
| 42. | 45.9 | Mercer County School District / 62,161 |
| 42. | 45.9 | Greenbrier County School District / 35,639 |
| 44. | 45.8 | Jefferson County School District / 54,650 |
| 45. | 45.6 | Berkeley County School District / 107,324 |
| 45. | 45.6 | Pocahontas County School District / 8,710 |
| 45. | 45.6 | Grant County School District / 11,829 |
| 48. | 45.5 | Summers County School District / 13,699 |
| 48. | 45.5 | Morgan County School District / 17,450 |
| 48. | 45.5 | Webster County School District / 9,005 |
| 48. | 45.5 | Monroe County School District / 13,524 |
| 52. | 45.5 | Nicholas County School District / 26,090 |
| 53. | 45.3 | Pendleton County School District / 7,525 |
| 54. | 44.8 | Hampshire County School District / 23,674 |
| 55. | 44.5 | McDowell County School District / 21,281 |
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.
