| Rank | Air Quality Index ▼ | School District / Population |
| 1. | 44.2 | Bethlehem School District / 2,537 |
| 1. | 44.2 | Jackson School District / 1,032 |
| 1. | 44.2 | Hart's Location School District / 41 |
| 1. | 44.2 | White Mountain Regional School District / 8,397 |
| 5. | 42.5 | Bartlett School District / 2,767 |
| 5. | 42.5 | Waterville Valley School District / 260 |
| 5. | 42.5 | Albany School District / 800 |
| 8. | 41.6 | Milford School District / 15,133 |
| 8. | 41.6 | Wilton School District / 3,677 |
| 8. | 41.6 | Mason School District / 1,329 |
| 11. | 41.5 | Mascenic Regional School District / 7,497 |
| 12. | 41.5 | Wilton-Lyndeboro School District / 5,312 |
| 13. | 41.4 | Monroe School District / 906 |
| 13. | 41.4 | Landaff School District / 416 |
| 13. | 41.4 | Lafayette Regional School District / 2,029 |
| 13. | 41.4 | Benton School District / 482 |
| 13. | 41.4 | Lincoln-Woodstock School District / 2,446 |
| 13. | 41.4 | Lisbon Regional School District / 2,165 |
| 13. | 41.4 | Bath School District / 872 |
| 13. | 41.4 | Littleton School District / 5,942 |
| 13. | 41.4 | Profile School District / 4,566 |
| 22. | 41.3 | Seabrook School District / 8,747 |
| 23. | 41.2 | Kensington School District / 2,055 |
| 23. | 41.2 | Hampton Falls School District / 2,307 |
| 23. | 41.2 | Winnacunnet Cooperative School District / 30,471 |
| 26. | 41.0 | Madison School District / 2,507 |
| 27. | 40.9 | South Hampton School District / 799 |
| 27. | 40.9 | Brookline School District / 5,051 |
| 29. | 40.8 | Hampton School District / 15,073 |
| 30. | 40.7 | Hollis School District / 7,721 |
| 30. | 40.7 | Hollis-Brookline Cooperative School District / 12,772 |
| 32. | 40.5 | Mont Vernon School District / 2,508 |
| 32. | 40.5 | Lyndeborough School District / 1,683 |
| 32. | 40.5 | Jaffrey-Rindge Cooperative School District / 11,374 |
| 35. | 40.5 | East Kingston School District / 2,453 |
| 36. | 40.2 | North Hampton School District / 4,344 |
| 36. | 40.2 | Rye School District / 5,315 |
| 36. | 40.2 | Contoocook Valley School District / 18,773 |
| 39. | 40.1 | Nashua School District / 86,799 |
| 39. | 40.1 | New Castle School District / 980 |
| 39. | 40.1 | Hillsboro-Deering Cooperative School District / 7,766 |
| 42. | 40.0 | Sanborn Regional School District / 10,777 |
| 43. | 39.8 | Stratham School District / 7,303 |
| 43. | 39.8 | Exeter School District / 14,434 |
| 43. | 39.8 | Greenland School District / 3,668 |
| 46. | 39.7 | Newmarket School District / 8,928 |
| 46. | 39.7 | Newington School District / 800 |
| 46. | 39.7 | Newfields School District / 1,625 |
| 46. | 39.7 | Portsmouth School District / 21,366 |
| 50. | 39.6 | Brentwood School District / 4,598 |
| 51. | 39.5 | Pelham School District / 13,032 |
| 51. | 39.5 | Hudson School District / 24,584 |
| 51. | 39.5 | Oyster River Cooperative School District / 21,540 |
| 54. | 39.4 | Salem School District / 28,841 |
| 55. | 39.3 | Somersworth School District / 11,765 |
| 55. | 39.3 | Rollinsford School District / 2,528 |
| 55. | 39.3 | Windham School District / 13,943 |
| 55. | 39.3 | Barrington School District / 8,691 |
| 55. | 39.3 | Dover School District / 30,332 |
| 60. | 39.2 | Exeter Regional Cooperative School District / 32,468 |
| 61. | 39.1 | Epping School District / 6,587 |
| 62. | 39.0 | Prospect Mountain High School Joint Maintenance Agreement District / 9,875 |
| 63. | 38.9 | Nottingham School District / 4,855 |
| 63. | 38.9 | Fremont School District / 4,375 |
| 65. | 38.8 | Litchfield School District / 8,329 |
| 65. | 38.8 | Merrimack School District / 25,563 |
| 65. | 38.8 | Thornton School District / 2,490 |
| 65. | 38.8 | Strafford School District / 4,017 |
| 65. | 38.8 | Northwood School District / 4,269 |
| 65. | 38.8 | Souhegan Cooperative School District / 13,742 |
| 65. | 38.8 | Amherst School District / 11,234 |
| 72. | 38.7 | Rochester School District / 29,883 |
| 72. | 38.7 | Farmington School District / 6,824 |
| 72. | 38.7 | Alton School District / 5,270 |
| 75. | 38.6 | Windsor School District / 269 |
| 75. | 38.6 | Manchester School District / 110,065 |
| 75. | 38.6 | Winchester School District / 4,302 |
| 75. | 38.6 | Londonderry School District / 24,247 |
| 75. | 38.6 | Auburn School District / 5,078 |
| 75. | 38.6 | Keene School District / 23,281 |
| 75. | 38.6 | Campton School District / 3,317 |
| 75. | 38.6 | Chester School District / 4,802 |
| 75. | 38.6 | Marlborough School District / 1,840 |
| 75. | 38.6 | Candia School District / 3,920 |
| 75. | 38.6 | Nelson School District / 606 |
| 75. | 38.6 | Harrisville School District / 911 |
| 75. | 38.6 | Monadnock Regional School District / 13,906 |
| 75. | 38.6 | Derry School District / 33,180 |
| 75. | 38.6 | Deerfield School District / 4,330 |
| 75. | 38.6 | Stoddard School District / 1,124 |
| 75. | 38.6 | Raymond School District / 10,202 |
| 75. | 38.6 | Tamworth School District / 2,851 |
| 75. | 38.6 | Chesterfield School District / 3,601 |
| 94. | 38.5 | Marlow School District / 753 |
| 94. | 38.5 | Gilmanton School District / 3,778 |
| 94. | 38.5 | Andover School District / 2,428 |
| 94. | 38.5 | Shaker Regional School District / 9,610 |
| 94. | 38.5 | Hill School District / 1,164 |
| 94. | 38.5 | Laconia School District / 16,007 |
| 94. | 38.5 | Surry School District / 828 |
| 94. | 38.5 | Westmoreland School District / 2,066 |
| 94. | 38.5 | Gilford School District / 7,142 |
| 94. | 38.5 | Winnisquam Regional School District / 11,373 |
| 94. | 38.5 | Franklin School District / 8,462 |
| 94. | 38.5 | Middleton School District / 1,567 |
| 94. | 38.5 | Ashland School District / 2,066 |
| 107. | 38.5 | Bedford School District / 21,449 |
| 108. | 38.4 | Hinsdale School District / 3,995 |
| 108. | 38.4 | Washington School District / 1,013 |
| 108. | 38.4 | New Boston School District / 5,390 |
| 108. | 38.4 | Barnstead School District / 4,605 |
| 112. | 38.3 | Fall Mountain Regional School District / 12,383 |
| 112. | 38.3 | Merrimack Valley School District / 17,295 |
| 112. | 38.3 | Timberlane Regional School District / 24,958 |
| 112. | 38.3 | Goshen-Lempster Cooperative School District / 1,910 |
| 112. | 38.3 | Governor Wentworth Regional School District / 17,584 |
| 112. | 38.3 | Pittsfield School District / 4,082 |
| 112. | 38.3 | Hampstead School District / 8,543 |
| 119. | 38.2 | Moultonborough School District / 4,032 |
| 119. | 38.2 | Mascoma Valley Regional School District / 10,379 |
| 119. | 38.2 | Inter-Lakes School District / 8,799 |
| 119. | 38.2 | Wakefield School District / 5,046 |
| 123. | 38.1 | Haverhill Cooperative School District / 4,665 |
| 124. | 38.0 | Dunbarton School District / 2,779 |
| 124. | 38.0 | John Stark Regional School District / 13,671 |
| 124. | 38.0 | Weare School District / 8,849 |
| 124. | 38.0 | Cornish School District / 1,601 |
| 124. | 38.0 | Unity School District / 1,592 |
| 124. | 38.0 | Newport School District / 6,434 |
| 124. | 38.0 | Pembroke School District / 7,121 |
| 124. | 38.0 | Allenstown School District / 4,303 |
| 124. | 38.0 | Croydon School District / 651 |
| 124. | 38.0 | Hooksett School District / 13,669 |
| 124. | 38.0 | Henniker School District / 4,822 |
| 124. | 38.0 | Freedom School District / 1,195 |
| 124. | 38.0 | Epsom School District / 4,597 |
| 124. | 38.0 | Chichester School District / 2,552 |
| 124. | 38.0 | Milton School District / 4,592 |
| 124. | 38.0 | Rivendell Interstate School District / 1,572 |
| 124. | 38.0 | Hopkinton School District / 5,591 |
| 124. | 38.0 | Goffstown School District / 17,765 |
| 124. | 38.0 | Claremont School District / 13,169 |
| 124. | 38.0 | Concord School District / 37,821 |
| 124. | 38.0 | Bow School District / 7,611 |
| 145. | 37.9 | Hanover School District / 11,311 |
| 145. | 37.9 | Plainfield School District / 2,518 |
| 145. | 37.9 | Lyme School District / 1,733 |
| 145. | 37.9 | Lebanon School District / 13,474 |
| 145. | 37.9 | Piermont School District / 754 |
| 145. | 37.9 | Warren School District / 726 |
| 145. | 37.9 | Dresden School District / 11,311 |
| 152. | 37.8 | Wentworth School District / 896 |
| 152. | 37.8 | Grantham School District / 2,970 |
| 154. | 37.7 | Plymouth School District / 6,902 |
| 154. | 37.7 | Holderness School District / 2,093 |
| 154. | 37.7 | Newfound Area School District / 10,699 |
| 154. | 37.7 | Pemi-Baker Regional School District / 19,440 |
| 158. | 37.6 | Ellsworth School District / 61 |
| 158. | 37.6 | Rumney School District / 1,676 |
| 160. | 37.5 | Kearsarge Regional School District / 15,539 |
| 161. | 37.3 | Sunapee School District / 3,363 |
| 162. | 37.2 | Dummer School District / 348 |
| 162. | 37.2 | Stark School District / 490 |
| 162. | 37.2 | Gorham Randolph Shelburne Cooperative School District / 3,547 |
| 162. | 37.2 | Berlin School District / 9,710 |
| 162. | 37.2 | Milan School District / 1,307 |
| 162. | 37.2 | Northumberland School District / 2,179 |
| 168. | 35.8 | Columbia School District / 726 |
| 168. | 35.8 | Coos County School District / 266 |
| 168. | 35.8 | Colebrook School District / 2,340 |
| 168. | 35.8 | Errol School District / 301 |
| 168. | 35.8 | Stewartstown School District / 811 |
| 168. | 35.8 | Clarksville School District / 315 |
| 168. | 35.8 | Pittsburg School District / 875 |
| 168. | 35.8 | Stratford School District / 710 |
| 176. | 34.6 | Conway School District / 10,054 |
| 177. | 34.5 | Eaton School District / 348 |
| 178. | 34.5 | Chatham School District / 393 |
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.
