Drive by the testing vans on several occasions. Since there are several variables that may contribute to an invalid reading, and because your vehicle must record two clean readings to pass RapidScreen, it’s a good idea to drive by the testing vans several times in the months prior to your registration renewal.

Air Care Colorado

Independent Test Centers

1981 and older vehicles may be tested at any of the 18 Envirotest operated Air Care Colorado stations, as well as any of the independent test centers listed below.