Pollution Reduction Programs

Smoking Vehicle Hotline

See an excessively polluting motor vehicle? Call the Smoking Vehicle Hotline at 622-5700.

Help clear the air by reporting smoking vehicles to the Pima County Department of Environmental Quality. Write down the Arizona license plate number, date and location of an excessively polluting vehicle and call the hotline to help reduce air pollution in Pima County.

Or, complete this form to report excessively polluting motor vehicles online:

Arizona License Plate Number:         

Date You Saw the Vehicle Polluting: 

Location of Vehicle When Polluting:  

How the Program works. . .

After you report a smoking vehicle, we determine the vehicle owner's address through the state Motor Vehicle Division. Then we send the owner a letter requesting the vehicle be repaired to increase engine efficiency and reduce emissions.

What you can do for clean air...

Clean Air Is Up To YOU!

The Pima County Clean Air Program is funded by the Arizona Department of Environmental Quality. The program is administered by the Pima County Department of Environmental Quality.