Guide Rankings Law Updated June 25, 2026

Car Inspections by State

Vehicle inspection station with testing equipment and cars in service bays

Car Inspections by State

Ranking - Law

Inspection rules split sharply across the country, with a handful of states requiring both safety and emissions checks while 20 states require neither for routine passenger registration.

Quick Answer

Car Inspections by State

  1. 1

    Car inspections by state are strictest in Massachusetts and New York. Both list Safety Inspection Yes and Emissions Test Yes every 12 months.

  2. 2

    California is the smog outlier. Safety Inspection No pairs with Emissions Test Yes, and California still requires Smog Check certification in core program areas.

  3. 3

    20 states, including Florida, Michigan, South Carolina, Tennessee, Washington, and Wyoming, list Safety Inspection No and Emissions Test No.

Map

Car Inspections by State Map

Inspection Status
Strict Both
Strict Emissions
County Specific
Safety Only
No Routine Inspection
Massachusetts and New York sit in the strict red group with annual safety and emissions inspections. California and New Jersey require emissions without routine passenger safety checks, while 20 states are green with No and No.
Car Inspections by State Map
State Inspection Status
Alabama No Routine Inspection
Alaska No Routine Inspection
Arizona County Specific
Arkansas No Routine Inspection
California Strict Emissions
Colorado County Specific
Connecticut Strict Emissions
Delaware Strict Both
Florida No Routine Inspection
Georgia County Specific
Hawaii Safety Only
Idaho No Routine Inspection
Illinois County Specific
Indiana County Specific
Iowa No Routine Inspection
Kansas No Routine Inspection
Kentucky No Routine Inspection
Louisiana County Specific
Maine County Specific
Maryland County Specific
Massachusetts Strict Both
Michigan No Routine Inspection
Minnesota No Routine Inspection
Mississippi No Routine Inspection
Missouri County Specific
Montana No Routine Inspection
Nebraska No Routine Inspection
Nevada County Specific
New Hampshire Strict Both
New Jersey Strict Emissions
New Mexico County Specific
New York Strict Both
North Carolina County Specific
North Dakota No Routine Inspection
Ohio County Specific
Oklahoma No Routine Inspection
Oregon County Specific
Pennsylvania County Specific
Rhode Island Strict Both
South Carolina No Routine Inspection
South Dakota No Routine Inspection
Tennessee No Routine Inspection
Texas County Specific
Utah County Specific
Vermont Strict Both
Virginia County Specific
Washington No Routine Inspection
West Virginia Safety Only
Wisconsin County Specific
Wyoming No Routine Inspection

Massachusetts and New York sit in the strict red group with annual safety and emissions inspections. California and New Jersey require emissions without routine passenger safety checks, while 20 states are green with No and No.

Car Inspections by State Table

Inspection Status

Download as PDF

Print-ready table — Car Inspections by State

States with No Car Inspections

Cars traveling on an open highway representing states with no routine inspection requirements
20 states on this map list Safety Inspection No and Emissions Test No. Florida, Michigan, and South Carolina are part of that group.

20 states list Safety Inspection No and Emissions Test No. Florida, Michigan, South Carolina, Tennessee, Washington, and Wyoming all sit in that group.

Idaho ended its state-required emissions testing on July 1, 2023, and Washington ended its emission check program on January 1, 2020. Tennessee ended its emissions program in 2022.

States with Safety and Emissions Inspections

Mechanic performing a vehicle inspection inside a service garage
Massachusetts and New York require safety and emissions inspections every 12 months. Delaware and Rhode Island require both every two years.

Massachusetts and New York require annual safety and emissions inspections. Delaware and Rhode Island require both every two years, while New Hampshire and Vermont apply both tests with age-based emissions rules.

California and New Jersey are different from the states above. Both list Safety Inspection No and Emissions Test Yes, while California uses Smog Check and New Jersey uses a biennial emissions-focused inspection for basic vehicles.

States with County Emissions Testing

Vehicle emissions testing setup for metro or county inspection programs
19 states on this map use county or metro emissions rules. Texas applies emissions testing in 17 counties, while Maine limits it to Cumberland County.

19 states on this page use county or metro-based emissions rules instead of full statewide testing. Texas applies emissions testing in 17 counties as of June 25, 2026, while Virginia limits it to Northern Virginia and Pennsylvania limits it to metropolitan counties.

Arizona focuses on Phoenix and Tucson, Nevada on Clark and Washoe, and New Mexico on Bernalillo County. North Carolina adds emissions testing in 19 counties, while Maine limits it to Cumberland County.

Quick Answers

Which states have no car inspections?
20 states have no routine passenger vehicle inspections for either safety or emissions. That group includes Florida, Idaho, Kentucky, Michigan, South Carolina, Tennessee, Washington, and Wyoming.
Which states require emissions testing?
28 states require emissions testing in some form. Massachusetts, New York, and New Jersey apply it statewide, while Arizona, Texas, Virginia, and Wisconsin limit it to specific counties or metro areas.
What is the smog check requirement in California?
California lists Safety Inspection No and Emissions Test Yes. Smog Check certification is required in core program areas, on initial California registration, and in many change-of-ownership cases.
Does Texas require vehicle inspection in 2026?
Texas no longer requires routine non-commercial safety inspections after January 1, 2025. Emissions testing still applies in 17 counties on June 25, 2026, and Bexar County is scheduled to join in November 2026.
Does Pennsylvania require car inspection?
Pennsylvania requires Safety Inspection Yes statewide. Emissions Test is County specific, so drivers in metropolitan counties face both tests while other counties require only the safety inspection.
Which states require both safety and emissions inspections?
Six states on this map require both statewide for passenger vehicles in some form. Delaware, Massachusetts, New Hampshire, New York, Rhode Island, and Vermont make up that group.

Methodology

This page builds a 50-state table from the provided state-by-state inspection summary, then checks 2025-26 updates against official agency pages for California, Idaho, New Jersey, Texas, Virginia, Washington, and other highlighted states. The District of Columbia has emissions inspections for private passenger vehicles but is excluded because this page covers only the 50 states.

Sources

Information is cross-referenced with official state archives.
Found an error? Report it here.

You Might Also Like