| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 67.8 | Tonto Basin Elementary District / 1,647 |
| 2. | 67.5 | Young Elementary School District / 603 |
| 3. | 67.0 | Payson Unified District / 21,510 |
| 3. | 67.0 | Pine Strawberry Elementary District / 1,604 |
| 5. | 65.8 | Camp Verde Unified District / 11,295 |
| 6. | 65.4 | San Carlos Unified District / 5,591 |
| 7. | 65.1 | Sedona-Oak Creek Joint Unified District / 14,547 |
| 7. | 65.1 | Beaver Creek Elementary District / 5,652 |
| 9. | 64.8 | Canon Elementary District / 2,661 |
| 10. | 64.6 | Mayer Unified District / 5,602 |
| 11. | 64.3 | Crown King Elementary District / 111 |
| 12. | 63.8 | Chevelon Butte School District / 542 |
| 13. | 63.7 | Globe Unified District / 10,541 |
| 13. | 63.7 | Miami Unified District / 8,468 |
| 15. | 62.1 | Superior Unified School District / 3,278 |
| 16. | 59.9 | Mingus Union High School District / 34,444 |
| 16. | 59.9 | Cottonwood-Oak Creek Elementary District / 30,677 |
| 18. | 59.4 | Hayden-Winkelman Unified District / 1,275 |
| 19. | 59.3 | Fort Thomas Unified District / 5,401 |
| 20. | 56.4 | Laveen Elementary District / 44,709 |
| 21. | 55.5 | Mobile Elementary District / 74 |
| 22. | 55.3 | Prescott Unified District / 55,352 |
| 22. | 55.3 | Humboldt Unified District / 52,054 |
| 24. | 54.8 | Clarkdale-Jerome Elementary District / 3,767 |
| 24. | 54.8 | Chino Valley Unified District / 21,274 |
| 26. | 54.4 | Walnut Grove Elementary District / 73 |
| 27. | 54.0 | Riverside Elementary District / 6,837 |
| 28. | 53.7 | Kyrene Elementary District / 154,506 |
| 29. | 53.5 | Deer Valley Unified District / 243,403 |
| 30. | 53.4 | Tempe Union High School District / 303,177 |
| 30. | 53.4 | Union Elementary District / 15,110 |
| 30. | 53.4 | Queen Creek Unified District / 28,951 |
| 33. | 52.9 | Chandler Unified District / 231,764 |
| 34. | 52.8 | Murphy Elementary District / 13,666 |
| 34. | 52.8 | J. O. Combs Unified School District / 38,281 |
| 36. | 52.5 | Vernon Elementary District / 1,926 |
| 36. | 52.5 | Concho Elementary District / 2,644 |
| 36. | 52.5 | Blue Ridge Unified District / 14,337 |
| 36. | 52.5 | Show Low Unified District / 15,516 |
| 40. | 52.4 | Stanfield Elementary District / 4,758 |
| 41. | 52.0 | Gilbert Unified District / 192,279 |
| 42. | 51.9 | Littleton Elementary District / 41,072 |
| 42. | 51.9 | Fowler Elementary District / 32,062 |
| 44. | 51.6 | Kirkland Elementary District / 1,276 |
| 44. | 51.6 | Roosevelt Elementary District / 105,099 |
| 44. | 51.6 | Williamson Valley Elementary School District / 506 |
| 44. | 51.6 | Skull Valley Elementary District / 600 |
| 48. | 51.5 | Heber-Overgaard Unified District / 3,969 |
| 48. | 51.5 | Winslow Unified District / 11,733 |
| 48. | 51.5 | Joseph City Unified District / 1,637 |
| 48. | 51.5 | Snowflake Unified District / 12,166 |
| 52. | 51.3 | Maricopa Unified School District / 49,568 |
| 52. | 51.3 | St. Johns Unified District / 3,929 |
| 54. | 50.8 | Apache Junction Unified District / 56,829 |
| 55. | 50.7 | Higley Unified District / 69,496 |
| 56. | 50.3 | McNary Elementary District / 543 |
| 56. | 50.3 | Hillside Elementary District / 139 |
| 56. | 50.3 | Round Valley Unified District / 8,073 |
| 56. | 50.3 | Yarnell Elementary District / 1,211 |
| 56. | 50.3 | Whiteriver Unified District / 12,202 |
| 61. | 50.1 | Phoenix Union High School District / 670,209 |
| 62. | 50.0 | Ajo Unified District / 3,787 |
| 63. | 49.8 | Bagdad Unified School District / 2,432 |
| 63. | 49.8 | Congress Elementary District / 1,631 |
| 65. | 49.7 | Liberty Elementary District / 24,826 |
| 66. | 49.6 | Fountain Hills Unified District / 23,488 |
| 67. | 49.5 | Avondale Elementary District / 49,323 |
| 68. | 49.5 | Ray Unified District / 3,676 |
| 68. | 49.5 | Florence Unified School District / 75,228 |
| 70. | 49.2 | Mesa Unified District / 468,084 |
| 71. | 49.1 | Seligman Unified District / 1,197 |
| 71. | 49.1 | Peach Springs Unified District / 1,103 |
| 71. | 49.1 | Ash Fork Joint Unified District / 2,031 |
| 74. | 49.0 | Wenden Elementary District / 741 |
| 74. | 49.0 | Aguila Elementary District / 1,157 |
| 76. | 48.9 | Coolidge Unified District / 37,433 |
| 77. | 48.6 | Casa Grande Union High School District / 88,203 |
| 78. | 48.5 | Holbrook Unified District / 10,570 |
| 79. | 48.5 | Tolleson Union High School District / 173,006 |
| 79. | 48.5 | Tolleson Elementary District / 15,837 |
| 81. | 48.2 | Glendale Elementary District / 99,031 |
| 81. | 48.2 | Owens-Whitney Elementary District / 628 |
| 81. | 48.2 | Pendergast Elementary District / 68,925 |
| 84. | 48.1 | Casa Grande Elementary District / 62,832 |
| 85. | 48.0 | Cave Creek Unified District / 55,010 |
| 85. | 48.0 | Paloma School District / 296 |
| 85. | 48.0 | Gila Bend Unified District / 2,610 |
| 88. | 47.7 | Sacaton Elementary District / 7,465 |
| 89. | 47.6 | Santa Cruz Valley Unified District / 20,263 |
| 89. | 47.6 | Colorado City Unified District / 6,301 |
| 91. | 47.5 | Buckeye Union High School District / 67,494 |
| 91. | 47.5 | Sentinel Elementary District / 111 |
| 91. | 47.5 | Buckeye Elementary District / 39,188 |
| 94. | 47.5 | Santa Cruz Elementary District / 1,926 |
| 94. | 47.5 | Patagonia Union High School District / 3,163 |
| 94. | 47.5 | Nogales Unified District / 21,898 |
| 94. | 47.5 | Patagonia Elementary District / 1,362 |
| 98. | 47.4 | Yuma Union High School District / 195,266 |
| 98. | 47.4 | Yuma Elementary District / 100,798 |
| 100. | 47.3 | Arlington Elementary District / 1,335 |
| 100. | 47.3 | Saddle Mountain Unified School District / 8,320 |
| 102. | 47.2 | Palo Verde Elementary District / 2,145 |
| 102. | 47.2 | Washington Elementary District / 229,457 |
| 102. | 47.2 | Wickenburg Unified District / 11,718 |
| 102. | 47.2 | Yucca Elementary District / 487 |
| 102. | 47.2 | Wellton Elementary District / 4,071 |
| 102. | 47.2 | Glendale Union High School District / 328,488 |
| 108. | 47.0 | Morristown Elementary District / 1,485 |
| 109. | 46.7 | Nadaburg Unified School District / 8,546 |
| 109. | 46.7 | Paradise Valley Unified District / 251,892 |
| 111. | 46.6 | Toltec Elementary District / 13,148 |
| 112. | 46.5 | Hyder Elementary District / 439 |
| 112. | 46.5 | Flagstaff Unified District / 93,120 |
| 114. | 46.5 | Peoria Unified School District / 218,476 |
| 114. | 46.5 | Agua Fria Union High School District / 128,761 |
| 114. | 46.5 | Litchfield Elementary District / 79,438 |
| 114. | 46.5 | Dysart Unified District / 169,324 |
| 118. | 46.4 | Bouse Elementary District / 811 |
| 118. | 46.4 | Maine Consolidated School District / 1,543 |
| 120. | 46.2 | Salome Consolidated Elementary District / 2,899 |
| 120. | 46.2 | Valentine Elementary District / 320 |
| 122. | 46.1 | Isaac Elementary District / 43,040 |
| 122. | 46.1 | Cartwright Elementary District / 119,571 |
| 122. | 46.1 | Williams Unified District / 5,464 |
| 125. | 45.9 | Eloy Elementary District / 6,644 |
| 125. | 45.9 | Page Unified District / 13,337 |
| 125. | 45.9 | Grand Canyon Unified District / 1,707 |
| 125. | 45.9 | Antelope Union High School District / 6,187 |
| 125. | 45.9 | Picacho Elementary District / 8,001 |
| 125. | 45.9 | Mohawk Valley Elementary District / 1,677 |
| 131. | 45.5 | Tuba City Unified District / 16,926 |
| 131. | 45.5 | Bicentennial Union High School District / 10,085 |
| 133. | 45.4 | Fredonia-Moccasin Unified District / 3,162 |
| 134. | 45.3 | Gadsden Elementary District / 28,694 |
| 134. | 45.3 | Crane Elementary District / 43,440 |
| 134. | 45.3 | Somerton Elementary District / 22,334 |
| 137. | 45.1 | Tempe School District / 148,671 |
| 137. | 45.1 | Scottsdale Unified District / 226,958 |
| 139. | 44.9 | Lake Havasu Unified District / 55,833 |
| 140. | 44.8 | Cedar Unified District / 8,026 |
| 140. | 44.8 | Alhambra Elementary District / 88,563 |
| 140. | 44.8 | Pinon Unified District / 6,729 |
| 143. | 44.5 | Pima Unified District / 3,424 |
| 143. | 44.5 | Topock Elementary District / 2,525 |
| 143. | 44.5 | Willcox Unified District / 7,579 |
| 143. | 44.5 | Safford Unified District / 15,991 |
| 143. | 44.5 | Ash Creek Elementary District / 591 |
| 143. | 44.5 | Thatcher Unified District / 7,358 |
| 143. | 44.5 | Bonita Elementary District / 1,265 |
| 143. | 44.5 | Cochise Elementary District / 220 |
| 143. | 44.5 | Bowie Unified District / 463 |
| 143. | 44.5 | Valley Union High School District / 3,518 |
| 143. | 44.5 | Solomon Elementary District / 3,823 |
| 143. | 44.5 | Pearce Elementary District / 2,017 |
| 155. | 44.5 | Red Rock Elementary District / 3,067 |
| 156. | 44.4 | McNeal Elementary District / 1,403 |
| 156. | 44.4 | Rucker Elementary District / 33 |
| 156. | 44.4 | Empire Elementary District / 505 |
| 156. | 44.4 | Elfrida Elementary District / 910 |
| 156. | 44.4 | Bisbee Unified District / 6,705 |
| 156. | 44.4 | Double Adobe Elementary District / 632 |
| 156. | 44.4 | Naco Elementary District / 1,547 |
| 156. | 44.4 | Douglas Unified District / 22,014 |
| 156. | 44.4 | Tombstone Unified District / 7,646 |
| 165. | 44.2 | Chinle Unified District / 20,277 |
| 165. | 44.2 | Red Mesa Unified District / 7,761 |
| 167. | 44.0 | Klondyke Elementary District / 49 |
| 168. | 43.8 | Amphitheater Unified District / 134,383 |
| 168. | 43.8 | Bullhead City School District / 39,983 |
| 168. | 43.8 | Hackberry School District / 1,223 |
| 168. | 43.8 | Santa Cruz Valley Union High School District / 17,712 |
| 168. | 43.8 | Kayenta Unified District / 9,909 |
| 168. | 43.8 | Colorado River Union High School District / 63,402 |
| 168. | 43.8 | Mohave Valley Elementary District / 20,894 |
| 175. | 43.7 | Ganado Unified District / 7,714 |
| 175. | 43.7 | Window Rock Unified District / 12,438 |
| 175. | 43.7 | Sanders Unified District / 6,436 |
| 175. | 43.7 | Benson Unified School District / 7,238 |
| 179. | 43.6 | Phoenix Elementary District / 54,631 |
| 179. | 43.6 | Pomerene Elementary District / 1,106 |
| 179. | 43.6 | Madison Elementary District / 56,191 |
| 179. | 43.6 | Vail Unified District / 54,562 |
| 179. | 43.6 | St. David Unified District / 4,220 |
| 184. | 43.5 | Sonoita Elementary District / 1,801 |
| 184. | 43.5 | Fort Huachuca Accommodation District / 5,743 |
| 184. | 43.5 | Sierra Vista Unified District / 49,181 |
| 187. | 43.5 | Balsz Elementary District / 29,647 |
| 187. | 43.5 | Mammoth-San Manuel Unified District / 6,097 |
| 187. | 43.5 | Oracle Elementary District / 13,855 |
| 190. | 43.4 | Eagle Elementary District / 50 |
| 190. | 43.4 | San Simon Unified District / 758 |
| 190. | 43.4 | Morenci Unified District / 3,028 |
| 190. | 43.4 | Duncan Unified District / 2,767 |
| 190. | 43.4 | Alpine Elementary District / 401 |
| 190. | 43.4 | Palominas Elementary District / 10,560 |
| 190. | 43.4 | Clifton Unified District / 2,909 |
| 197. | 43.3 | San Fernando Elementary District / 55 |
| 198. | 43.2 | Kingman Unified School District / 68,561 |
| 198. | 43.2 | Creighton Elementary District / 66,503 |
| 200. | 43.0 | Wilson Elementary District / 3,247 |
| 201. | 42.9 | Redington Elementary District / 94 |
| 201. | 42.9 | Tanque Verde Unified District / 11,845 |
| 203. | 42.8 | Apache Elementary District / 132 |
| 204. | 42.5 | Osborn Elementary District / 38,505 |
| 204. | 42.5 | Catalina Foothills Unified District / 30,821 |
| 204. | 42.5 | Blue Elementary District / 46 |
| 204. | 42.5 | Continental Elementary District / 27,303 |
| 208. | 42.5 | Quartzsite Elementary District / 5,634 |
| 209. | 42.1 | Marana Unified District / 89,418 |
| 210. | 41.9 | Indian Oasis-Baboquivari Unified District / 6,666 |
| 211. | 41.8 | Littlefield Unified District / 3,636 |
| 212. | 41.7 | Parker Unified School District / 10,263 |
| 213. | 40.4 | Flowing Wells Unified District / 29,583 |
| 213. | 40.4 | Sahuarita Unified District / 27,400 |
| 215. | 40.2 | Sunnyside Unified District / 91,086 |
| 216. | 39.6 | Tucson Unified District / 477,922 |
| 217. | 39.5 | Altar Valley Elementary District / 7,069 |
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.
