Local Data Search
A total of 99 results found. Show Results on Map.
| Rank | Air Quality Index ▼ | County / Population |
| 1. | 42.2 | Clinton, IA / 48,663 |
| 2. | 42.1 | Jackson, IA / 19,656 |
| 3. | 41.8 | Scott, IA / 168,714 |
| 4. | 40.7 | Louisa, IA / 11,305 |
| 4. | 40.7 | Muscatine, IA / 42,857 |
| 6. | 40.4 | Plymouth, IA / 24,899 |
| 6. | 40.4 | Shelby, IA / 12,034 |
| 8. | 40.3 | Crawford, IA / 17,259 |
| 8. | 40.3 | Harrison, IA / 14,600 |
| 8. | 40.3 | Des Moines, IA / 40,265 |
| 8. | 40.3 | Van Buren, IA / 7,487 |
| 8. | 40.3 | Monona, IA / 9,149 |
| 8. | 40.3 | Woodbury, IA / 102,372 |
| 14. | 40.2 | Chickasaw, IA / 12,329 |
| 14. | 40.2 | Winneshiek, IA / 20,957 |
| 14. | 40.2 | Dubuque, IA / 95,166 |
| 14. | 40.2 | Howard, IA / 9,529 |
| 18. | 40.1 | Floyd, IA / 16,153 |
| 18. | 40.1 | Lee, IA / 35,552 |
| 18. | 40.1 | Allamakee, IA / 14,152 |
| 18. | 40.1 | Clayton, IA / 17,900 |
| 22. | 40.0 | Fayette, IA / 20,693 |
| 22. | 40.0 | Bremer, IA / 24,481 |
| 22. | 40.0 | Buchanan, IA / 20,947 |
| 22. | 40.0 | Black Hawk, IA / 131,947 |
| 26. | 39.9 | Butler, IA / 14,966 |
| 26. | 39.9 | Mitchell, IA / 10,744 |
| 28. | 39.8 | Henry, IA / 20,197 |
| 28. | 39.8 | Ida, IA / 7,085 |
| 30. | 39.7 | Cedar, IA / 18,434 |
| 31. | 39.6 | Iowa, IA / 16,316 |
| 31. | 39.6 | Lyon, IA / 11,680 |
| 31. | 39.6 | Worth, IA / 7,567 |
| 31. | 39.6 | Johnson, IA / 136,802 |
| 35. | 39.5 | Tama, IA / 17,568 |
| 35. | 39.5 | Wapello, IA / 35,406 |
| 37. | 39.4 | Jefferson, IA / 17,102 |
| 37. | 39.4 | Linn, IA / 214,927 |
| 37. | 39.4 | Delaware, IA / 17,578 |
| 37. | 39.4 | Jones, IA / 20,607 |
| 37. | 39.4 | Benton, IA / 25,895 |
| 37. | 39.4 | Davis, IA / 8,765 |
| 43. | 39.3 | Carroll, IA / 20,702 |
| 44. | 39.2 | Washington, IA / 21,906 |
| 45. | 39.0 | Appanoose, IA / 12,754 |
| 45. | 39.0 | Keokuk, IA / 10,361 |
| 47. | 38.4 | Pottawattamie, IA / 93,153 |
| 48. | 38.3 | Mills, IA / 14,946 |
| 49. | 38.2 | Sioux, IA / 34,261 |
| 50. | 37.9 | Cerro Gordo, IA / 43,707 |
| 50. | 37.9 | Franklin, IA / 10,572 |
| 50. | 37.9 | Grundy, IA / 12,403 |
| 50. | 37.9 | Montgomery, IA / 10,549 |
| 54. | 37.8 | Buena Vista, IA / 20,460 |
| 54. | 37.8 | Sac, IA / 10,162 |
| 54. | 37.8 | Cass, IA / 13,694 |
| 57. | 37.6 | Audubon, IA / 5,935 |
| 58. | 37.5 | Cherokee, IA / 11,982 |
| 59. | 37.5 | Monroe, IA / 8,019 |
| 60. | 37.4 | Taylor, IA / 6,225 |
| 60. | 37.4 | Poweshiek, IA / 18,765 |
| 62. | 37.3 | Hancock, IA / 11,175 |
| 62. | 37.3 | Kossuth, IA / 15,347 |
| 62. | 37.3 | Winnebago, IA / 10,645 |
| 65. | 37.0 | Dickinson, IA / 16,877 |
| 65. | 37.0 | Osceola, IA / 6,279 |
| 65. | 37.0 | Emmet, IA / 10,068 |
| 68. | 36.9 | Obrien, IA / 14,173 |
| 69. | 36.7 | Clay, IA / 16,555 |
| 70. | 36.5 | Hardin, IA / 17,406 |
| 71. | 36.5 | Mahaska, IA / 22,420 |
| 71. | 36.5 | Adams, IA / 3,937 |
| 73. | 36.2 | Decatur, IA / 8,286 |
| 73. | 36.2 | Wayne, IA / 6,385 |
| 73. | 36.2 | Clarke, IA / 9,284 |
| 73. | 36.2 | Warren, IA / 47,058 |
| 73. | 36.2 | Lucas, IA / 8,785 |
| 73. | 36.2 | Madison, IA / 15,629 |
| 73. | 36.2 | Marion, IA / 33,308 |
| 80. | 36.1 | Wright, IA / 13,007 |
| 80. | 36.1 | Ringgold, IA / 5,082 |
| 80. | 36.1 | Adair, IA / 7,543 |
| 80. | 36.1 | Palo Alto, IA / 9,263 |
| 84. | 35.9 | Union, IA / 12,554 |
| 85. | 35.8 | Calhoun, IA / 9,980 |
| 85. | 35.8 | Pocahontas, IA / 7,191 |
| 85. | 35.8 | Humboldt, IA / 9,731 |
| 88. | 35.7 | Webster, IA / 37,399 |
| 88. | 35.7 | Page, IA / 15,737 |
| 90. | 35.6 | Fremont, IA / 7,200 |
| 91. | 35.4 | Dallas, IA / 72,124 |
| 91. | 35.4 | Story, IA / 91,939 |
| 91. | 35.4 | Guthrie, IA / 10,794 |
| 91. | 35.4 | Polk, IA / 445,136 |
| 91. | 35.4 | Jasper, IA / 36,715 |
| 91. | 35.4 | Marshall, IA / 40,922 |
| 97. | 35.3 | Greene, IA / 9,232 |
| 97. | 35.3 | Hamilton, IA / 15,363 |
| 97. | 35.3 | Boone, IA / 26,326 |
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.