Protecting Oregon's Environment
Oregon State Seal
Oregon Department of Environmental Quality

Air Quality

Vehicle Inspection Program (VIP)

Portland Area:
Station locations and hours
Station Closures
Vehicles Required to Test

Medford Area:
Station locations and hours
Station Closures
Vehicles Required to Test

Inspection Boundary Lookup
Preparing to Test
Failed Vehicle
For Dealers, Fleets, Repair Shops
Purpose of Testing
Vehicle Testing Methods
Vehicle Emissions Test Violations: Q&A on Volkswagen

Portland Area Clean Air Station - Hours of Operation and Closures Calendar

Closure Alert

All DEQ offices including vehicle emission test stations are closed for a 3-day weekend, Sat.-Mon. Jan. 14-16, 2017 in observance of Martin Luther King, Jr. Day.

The Scappoose station will be open on Thursday, Jan. 12 and Friday, Jan. 13.

All DEQ locations will resume their normal schedule on Tuesday, Jan. 17 after the holiday.

Maintenance Alert

DEQ is planning system maintenance on Saturday, Jan. 14, 2017 from 10 a.m. to 12 p.m. Some of the web applications will be unavailable or not function properly.

Thank you for your patience while we completed this work.


View all office closures


Click here for information about Medford Area Clean Air station hours of operation and closures

[print version]

For questions or feedback on the Vehicle Inspection Program, visit our Question and Comment page, or call one of our area contact numbers below:
Portland Area: 503-229-5066
Medford Area: 541-776-6145
Toll-Free in Oregon: 877-476-0583
Hearing Impaired: 711

Oregon Department of Environmental Quality
Headquarters: 700 NE Multnomah Street, Suite 600, Portland, OR 97232
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

DEQ Web site privacy notice