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Health Department

Air Pollution Control

Vehicle Emissions Control

Air Pollution Control administers the Vehicle Emissions Control program for both gasoline and diesel powered vehicles.

traffic imageVehicles less than six years old must pass an emission test every other year prior to registration.

Vehicles more than six years old are required to pass an annual emission test prior to registration.

Some vehicles are exempt from the testing requirement, including vehicles manufactured prior to 1968 and farm-plated vehicles.

Testing is performed by independent testing facilities located throughout the Salt Lake Valley. The facilities are licensed and regulated by the Air Pollution Control Bureau.