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 Consumer Information

Wait Time Note: Please keep in mind that the wait times include an average test time of 20 minutes, so if the wait time for a station says "30 minutes," the actual wait prior to the test is about 10 minutes.  The wait times are updated approximately every 15 minutes.