View a list of the top Asthma Capitals that are also in ragweed-positive and eight-hour ozone exceedance — positive areas in the continental United States. Thirty-four out of the top 50 that meet these criteria, plus Richmond, Virginia, are displayed below:
City of Metro | County | State | Population (2010) | Mean number of exceedances of 2008 8-hour standard (2009–2013) | Asthma Capital Rank |
| Richmond | Richmond City | Virgina | 204,215 | n/a | 1 |
| Memphis | Shelby | Tennessee | 927,644 | 4.3 | 2 |
| Oklahoma City | Oklahoma | Oklahoma | 718,633 | 6.7 | 4 |
| Philadelphia | Philadelphia | Pennsylvania | 1,526,006 | 5.5 | 5 |
| Chattanooga | Hamilton | Tennesse | 336,463 | 2.3 | 6 |
| Chicago | Cook | Illinois | 5,194,675 | 2.6 | 9 |
| Detroit | Wayne | Michigan | 1,820,584 | 4.5 | 10 |
| New Haven | New Haven | Connecticut | 862,477 | 4.6 | 11 |
| Allentown | Lehigh | Pennsylvania | 349,497 | 4.2 | 12 |
| Atlanta | Fulton | Georgia | 920,581 | 8.2 | 13 |
| Pittsburgh | Allegheny | Pennsylvania | 1,223,348 | 4.9 | 15 |
| Louisville | Jefferson | Kentucky | 741,096 | 4.0 | 16 |
| Springfield | Hampden | Massachusetts | 463,490 | 2.2 | 18 |
| Milwaukee | Milwaukee | Wisconsin | 947,735 | 3.6 | 19 |
| Dayton | Montgomery | Ohio | 535,153 | 5.4 | 21 |
| Cleveland | Cuyahoga | Ohio | 1,280,122 | 3.9 | 23 |
| Toledo | Lucas | Ohio | 441,815 | 1.9 | 25 |
| Little Rock | Pulaski | Arkansas | 382,748 | 2.7 | 27 |
| Bridgeport | Fairfield | Connecticut | 916,829 | 7.9 | 28 |
| Akron | Summit | Ohio | 541,781 | 2.2 | 31 |
| Indianapolis | Marion | Indiana | 903,393 | 1.8 | 32 |
| Providence | Providence | Rhode Island | 626,667 | 4.0 | 33 |
| Cincinnati | Hamilton | Ohio | 802,374 | 6.5 | 34 |
| Wichita | Sedgwick | Kansas | 498,365 | 3.7 | 35 |
| Harrisburg | Dauphin | Pennsylvania | 268,100 | 2.6 | 37 |
| Nashville | Davidson | Tennessee | 626,681 | 1.4 | 38 |
| Hartford | Hartford | Connecticut | 894,014 | 3.6 | 39 |
| Phoenix | Maricopa | Arizona | 3,817,117 | 2.6 | 40 |
| Knoxville | Knox | Tennessee | 432,226 | 1.8 | 41 |
| Jackson | Hinds | Mississippi | 245,285 | 1.0 | 42 |
| Dallas | Dallas | Texas | 2,368,139 | 7.6 | 43 |
| Los Angeles | Los Angeles | California | 9,818,605 | 15.6 | 44 |
| Youngstown | Mahoning | Ohio | 238,823 | 1.8 | 45 |
| Columbus | Franklin | Ohio | 1,163,414 | 3.0 | 46 |
| Orlando | Orange | Flordia | 1,145,956 | 1.3 | 49 |
Source: Natural Resources Defense Council Sneezing and Wheezing Report, May 2015
