- Skip Navigation

Note: This message is displayed if (1) your browser is not standards-compliant or (2) you have you disabled CSS. Read our Policies for more information.

Air Quality in Indiana

Air Quality in Indiana > Vehicle Emissions Testing Program Vehicle Emissions Testing Program

Vehicle Testing Information

If you are a motorist in Lake County or Porter County, Indiana and need information regarding having your vehicle emission tested, please click here to access the Clean Air Car Check website.

General Information about the Indiana Emission Testing Program

If you are a state or local agency seeking general information about the vehicle emission testing program operating in Lake and Porter counties, Indiana, please contact the following Indiana Department of Environmental Management staff:

Technical Issues and Operations

Environmental Manager - Office of Air Quality
(800) 451-6027, ext. 2-8420
(317) 232-8420

Customer Service Issues

Office of Air Quality
(800) 451-6027, ext. 4-6530
(317) 234-6530

Contract Information or Compliance Issues

Environmental Manager - Office of Air Quality
(800) 451-6027, ext. 4-3653
(317) 234-3653

Or you can contact the Agency via email at