| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 60.5 | Morgan School District / 9,955 |
| 2. | 60.3 | North Summit School District / 5,519 |
| 3. | 59.9 | Davis School District / 317,646 |
| 4. | 58.9 | Carbon School District / 21,118 |
| 5. | 58.4 | Weber School District / 152,540 |
| 6. | 58.2 | South Sanpete School District / 16,036 |
| 7. | 58.0 | Tintic School District / 777 |
| 8. | 57.7 | Tooele School District / 59,973 |
| 9. | 57.0 | Canyons School District / 209,984 |
| 9. | 57.0 | Jordan School District / 237,214 |
| 11. | 56.8 | Murray School District / 35,643 |
| 12. | 56.3 | Nebo School District / 124,097 |
| 12. | 56.3 | Juab School District / 9,572 |
| 14. | 56.2 | Park City School District / 24,896 |
| 15. | 56.1 | Sevier School District / 20,812 |
| 15. | 56.1 | North Sanpete School District / 12,093 |
| 17. | 56.0 | Salt Lake City School District / 189,267 |
| 18. | 55.5 | Granite School District / 391,562 |
| 19. | 53.4 | Alpine School District / 301,887 |
| 20. | 52.3 | Box Elder School District / 50,613 |
| 20. | 52.3 | Emery School District / 10,834 |
| 20. | 52.3 | Ogden School District / 83,767 |
| 23. | 52.2 | Wayne School District / 2,742 |
| 24. | 51.8 | South Summit School District / 7,462 |
| 25. | 51.6 | Provo School District / 114,441 |
| 26. | 51.5 | Uintah School District / 34,576 |
| 27. | 51.3 | Wasatch School District / 25,550 |
| 28. | 50.9 | Duchesne School District / 19,378 |
| 29. | 50.3 | Logan School District / 48,933 |
| 29. | 50.3 | Cache School District / 67,021 |
| 31. | 49.7 | Rich School District / 2,285 |
| 31. | 49.7 | Grand School District / 9,656 |
| 33. | 49.5 | Garfield School District / 5,105 |
| 34. | 49.1 | San Juan School District / 14,636 |
| 35. | 48.4 | Daggett School District / 714 |
| 36. | 48.2 | Beaver School District / 6,514 |
| 36. | 48.2 | Kane School District / 7,221 |
| 38. | 47.7 | Washington School District / 144,844 |
| 39. | 47.6 | Piute School District / 1,921 |
| 40. | 47.5 | Iron School District / 46,725 |
| 41. | 43.8 | Millard School District / 12,582 |
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.
