| State | State Licensing Board or Department | State Licensing Requirements | Notes |
|---|---|---|---|
| Alabama | Ìý | Not determined | Ìý |
| Alaska | Ìý | Meets Requirements | ÌýRespiratory Therapists are not required to be licensed at this time |
| American Samoa | Ìý | Not determined | Ìý |
| Arizona | Ìý | Meets Requirements | Ìý |
| Arkansas | Ìý | Not determined | Ìý |
| California | Ìý | Meets requirements | Ìý |
| Colorado | Ìý | Meets requirements | Ìý |
| Connecticut | Ìý | Not determined | Ìý |
| Delaware | Ìý | Not determined | Ìý |
| District of Columbia | Ìý | Not determined | Ìý |
| Federated States of Micronesia | Ìý | Not determined | Ìý |
| Florida | Ìý | Not determined | Ìý |
| Georgia | Ìý | Not determined | Ìý |
| Guam | Not determined | Ìý | |
| Hawaii | Ìý | Meets requirements | Ìý |
| Idaho | Ìý | Meets requirements | Ìý |
| Illinois | Ìý | Not determined | Ìý |
| Indiana | Ìý | Not determined | Ìý |
| Iowa | Ìý | Not determined | Ìý |
| Kansas | Ìý | Not determined | Ìý |
| Kentucky | Ìý | Not determined | Ìý |
| Louisiana | Ìý | Not determined | Ìý |
| Maine | Ìý | Not determined | Ìý |
| Maryland | Ìý | Not determined | Ìý |
| Massachusetts | Ìý | Not determined | Ìý |
| Michigan | Ìý | Not determined | Ìý |
| Minnesota | Ìý | Not determined | Ìý |
| Mississippi | Ìý | Not determined | Ìý |
| Missouri | Ìý | Not determined | Ìý |
| Montana | Ìý | Meets requirements | Ìý |
| Nebraska | Ìý | Not determined | Ìý |
| Nevada | Ìý | Meets requirements | Ìý |
| New Hampshire | Ìý | Not determined | Ìý |
| New Jersey | Ìý | Not determined | Ìý |
| New Mexico | Ìý | Meets requirements | Ìý |
| New York | Ìý | Not determined | Ìý |
| North Carolina | Ìý | Not determined | Ìý |
| North Dakota | Ìý | Meets requirements | Ìý |
| Northern Mariana Islands | Ìý | Not determined | Ìý |
| Ohio | Ìý | Not determined | Ìý |
| Oklahoma | Ìý | Not determined | Ìý |
| Oregon | Ìý | Meets requirements | Ìý |
| Pennsylvania | Ìý | Not determined | Ìý |
| Puerto Rico | Ìý | Not determined | Ìý |
| Republic of Palau | Ìý | Not determined | Ìý |
| Republic of the Marshall Islands | Ìý | Not determined | Ìý |
| Rhode Island | Ìý | Not determined | Ìý |
| South Carolina | Ìý | Not determined | Ìý |
| South Dakota | Ìý | Meets requirements | Ìý |
| Tennessee | Ìý | Not determined | Ìý |
| Texas | Ìý | Not determined | Ìý |
| US Virgin Islands | Ìý | Not determined | Ìý |
| Utah | Ìý | Meets requirements | Ìý |
| Vermont | Ìý | Not determined | Ìý |
| Virginia | Ìý | Not determined | Ìý |
| Washington | Ìý | Meets requirements | Ìý |
| West Virginia | Ìý | Not determined | Ìý |
| Wisconsin | Ìý | Not determined | Ìý |
| Wyoming | Ìý | Meets requirements | Ìý |
