An official website of the State of Oregon
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Oregon's federally enforced State Implementation Plan requires that non-exempt passenger vehicles are tested, every two years, in the Portland and Medford metropolitan areas. This testing is part of the state's compliance with current standards for Criteria Air Pollutants.
Your renewal registration form mailed to you from the DMV may state if your vehicles needs to test.
To determine if your vehicle is registered within a DEQ emissions testing boundary visit our VIP Boundary Lookup tool below:
Vehicle Inspection Program Boundary Lookup
To determine if your vehicle is registered within a DEQ emissions
testing boundary visit our VIP Boundary Lookup tool.
For questions or feedback on the Vehicle Inspection Program, visit our Questions and Comments page, or call one of our area contact numbers below:
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