Be sure your vehicle is properly warmed to operating temperature before you’re tested.  “Cold” vehicles emit higher levels of pollution than those at operating temperature. In general, 10-15 minutes of drive time will ensure proper warm-up.

Air Care Colorado Consumer Information

Wait Time Note: Please keep in mind that the wait times are estimations based on recent station activity. The wait times are updated approximately every 15 minutes.

Avoid waiting. Come on Saturdays, early mornings and during the middle two weeks of the month. High volume times to avoid are Mondays, the lunch hour, the first business day after ANY holiday and the last few days of the month.