Accelerate moderately as you pass the testing van. Moderate acceleration is required to produce the most representative sample of your vehicle’s exhaust emissions. Therefore, deceleration or heavy acceleration may result in an invalid reading.

Air Care Colorado Consumer Information

Consumer Information

For more information about the Air Care Colorado emissions inspection program, you may call the Air Care Colorado hotline;

303-456-7090 in the Denver area
970-247-8378 in the North Front Range. 

Recorded information is available on the hotline 24 hours a day.  Customer service representatives are availble from 8 a.m. to 5 p.m. Monday to Friday, including Spanish-speaking operators.  Se habla Espanol.  A voicemail may be left during off hours, and your call will be returned during business hours.

For quick information, such as hours of operation, cost, best times for an insepction and more, access our quick consumer information page.