Emissions Test Exemptions in Arizona

Arizona mandates emissions testing for many vehicles to maintain air quality, particularly in urban areas like Phoenix and Tucson. However, not all vehicles require this testing. Knowing whether your vehicle qualifies for an exemption can save you time and money. This guide explains who is exempt, how exemptions work, and what steps you need to take if your vehicle qualifies.

Areas Requiring Emissions Testing

Emissions testing in Arizona is required in designated metropolitan areas—primarily Maricopa County (including Phoenix) and Pima County (including Tucson). Vehicles registered in these regions must typically undergo emissions testing unless they meet specific exemption criteria.

For detailed information about Arizona driving requirements, visit our Arizona DMV Written Test Overview.

Who Qualifies for an Exemption?

Several categories of vehicles may be exempt from emissions testing in Arizona:

1. New Vehicles

If your vehicle is less than six years old, it is typically exempt from emissions testing. The exemption is valid as long as you pay a $25 exemption fee annually when registering the vehicle.

2. Electric Vehicles (EVs)

Fully electric vehicles are exempt from emissions testing, as they do not produce tailpipe emissions. However, hybrids do require testing in some cases.

3. Collectible Vehicles

Registered collectible vehicles that are insured as a collector vehicle and driven less than 5,000 miles per year are generally exempt. Proof of mileage and insurance classification is required.

4. Military and Out-of-State Exemptions

Arizona residents stationed out of state with their vehicle may qualify for an exemption. You’ll need to submit the Out-of-State Exemption Application along with military orders or other qualifying documents.

5. Special Use Vehicles

Some vehicles used exclusively for farm operations or off-road use may qualify, but you must ensure they are not operated on public roads, or only minimally.

How to Apply for an Exemption

To obtain an exemption, you typically need to:

1. Verify that your vehicle qualifies under one of the exemption categories.
2. Provide supporting documents—such as registration, insurance, or odometer statements.
3. Visit a Motor Vehicle Division (MVD) office or authorized third-party provider.
4. Complete any required forms, such as the Exemption Application.
5. Pay applicable fees (like the $25 annual exemption fee for new vehicles).

Some exemptions, such as those for collectible vehicles, may require an annual renewal or verification of mileage.

Exceptions and Considerations

• Diesel vehicles under certain weight thresholds still require testing.
• Vehicles over 8500 lbs. may fall under different testing standards.
• Kit cars and homemade vehicles must typically be tested unless classified otherwise.
• Vehicles used for commercial purposes generally do not qualify for standard exemptions.

Understanding your eligibility can help avoid unnecessary testing and registration delays.

Staying Compliant

Even if you qualify for an exemption, it’s important to keep documentation current and available. Emissions exemption does not mean exemption from registration or insurance requirements.

If you have questions, contact the Arizona Department of Environmental Quality (ADEQ) or your local MVD office to ensure compliance.

You can also prepare for any emissions-related or vehicle ownership questions on your permit exam by reviewing our Common Questions on Arizona Permit Test.