Environmental Complaints
Reporting potential violations of air quality requirements can provide important information for Enforcement. Staff investigates tips about non-compliance and complaints about smoking vehicles and other sources of air pollution.
Call 1-800-END-SMOG to submit a complaint by phone
CARB no longer accepts smoking passenger vehicle complaints through the hotline due to limited program resources. If you would like to submit a smoking vehicle complaint, please visit the Smoking Vehicle Complaints form
