Air Care Colorado maintains a consumer hotline for more information about emissions inspections.  Customer service representatives are available from 8 a.m. to 5 p.m. Monday to Friday.  Both English- and Spanish-speaking operators are available.  Se habla Espanol.  Please call:

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

Recorded information is available on the hotline 24 hours a day.  Motorists also may leave a voicemail message during off hours.  Calls will be returned during regular business hours.

A wide variety of information (including hours of operation, cost, best times for an inspection and more) is available on this website.  Simply visit the quick consumer information page.