Map Options
No
23
Some locations
18
Yes
10
States Without Emissions Testing 2024
- Two main types of state-required vehicle inspection exist: emissions tests and safety inspections. Some states require both types of test, some require one or the other, and some require neither.
State | Emissions Test Required | Additional Testing Requirement Details |
|---|---|---|
| Connecticut | Yes | Biennial emissions inspections are required |
| Delaware | Yes | Biennial emissions and safety inspections required |
| District of Columbia | Yes | Biennial emissions inspection required |
| Massachusetts | Yes | Annual safety and emissions inspections required |
| New Hampshire | Yes | Annual emissions inspections required for models less than 20 years old. Annual safety inspections a... |
| New Jersey | Yes | Vehicles are exempt from inspections for the first five years, then biennial emissions testing is re... |
| New York | Yes | Annual NYVIP3 OBD II emissions inspections for applicable non-diesel and non-electric vehicles under... |
| Rhode Island | Yes | Biennial safety and emissions inspections required |
| Vermont | Yes | Annual safety and emissions testing required |
| Wisconsin | Yes | Biennial emissions inspections are required for select counties |
| Arizona | Some locations | Biennial emissions inspections for Phoenix and Tucson metro areas |
| California | Some locations | Biennial emissions inspections for out-of-state cars or in-state vehicles seven years or older (in 4... |
| Colorado | Some locations | Biennial emissions inspections in 9 out of 64 counties (with some exceptions for vehicles 7 model ye... |
| Georgia | Some locations | Annual emissions inspections for the Atlanta metro area |
| Illinois | Some locations | Biennial emmision inspections required for cars older than 4 years in the Chicago metropolitan area.... |
| Louisiana | Some locations | Annual emissions inspections required for the Baton Rouge metro area. Annual brake inspections are r... |
| Maine | Some locations | Annual emissions inspections for vehicles registered in Cumberland County. Annual safety inspections... |
| Maryland | Some locations | Biennial emissions inspections are required for 13 of 23 counties |
| Missouri | Some locations | Biennial emissions inspections required for the St. Louis metro area. Biennial safety inspections ar... |
| Nevada | Some locations | Annual emissions inspections are required for urban areas of Clark and Washoe County (with some vehi... |
| New Mexico | Some locations | Biennial emissions testing required for Bernalillo County. |
| North Carolina | Some locations | Annual safety inspections are required, with annual emissions inspections for 22 out of 100 counties... |
| Ohio | Some locations | Odd/even emissions testing required for Cleveland metro area. |
| Oregon | Some locations | Periodic emissions inspections are required for Portland and Medford metro areas. |
| Pennsylvania | Some locations | Annual emissions inspections in 25 of 67 counties. Annual safety inspections are required statewide. |
| Texas | Some locations | Annual emissions testing required in large urban areas, with annual safety tests required statewide. |
| Utah | Some locations | Periodic emissions testing is required only in the four most populated counties |
| Virginia | Some locations | Biennial emissions testing for urban and suburban areas of northern Virginia. Annual safety inspecti... |
| Alabama | No | None |
| Alaska | No | None |
| Arkansas | No | None |
| Florida | No | None |
| Hawaii | No | Annual safety inspections required (every six months for emergency vehicles, school buses rental car... |
| Idaho | No | No longer required as of July 01, 2023 |
| Indiana | No | Biennial emissions inspections are required for Lake and Porter counties |
| Iowa | No | None |
| Kansas | No | None |
| Kentucky | No | None |
| Michigan | No | None |
| Minnesota | No | None |
| Mississippi | No | None |
| Montana | No | None |
| Nebraska | No | None |
| North Dakota | No | None |
| Oklahoma | No | None |
| South Carolina | No | None |
| South Dakota | No | None |
| Tennessee | No | None |
| Washington | No | None |
| West Virginia | No | Annual safety inspections required |
| Wyoming | No | None |