Enforcement Data - Complaint Program
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Air pollution complaints from the public are an important tool to help identify noncompliance with air quality regulations and community concerns. Enforcement staff receives complaints from the public by phone, email, and online reporting. Complaints that fall under CARB’s authority are referred internally for investigation and those that fall under local jurisdiction are referred to the local air districts for investigation. Enforcement staff documents CARB’s and air districts’ investigations and findings. When appropriate, Enforcement staff may participate in complaint investigations with air district staff. For complaints that are not related to air pollution, staff work with the reporting party to ensure the complaint is routed to the proper regulatory agency for investigation and resolution.
For more information on how to report a complaint to CARB, visit Environmental Complaints.
Complaint Program (2022)
| CalEPA and CARB Hotline Services | Complaints Received | Complaints Referred to Air District | Investigated by CARB | Other Dispositions1 | Total Complaints Resolved |
|---|---|---|---|---|---|
| Stationary Source Complaints | 1,287 | 1,036 | 0 | 251 | 1,287 |
| School Bus Idling Complaints | 0 | 0 | 0 | 0 | 0 |
| Commercial Vehicle Idling Complaints | 183 | 0 | 183 | 44 | 183 |
| Smoking Vehicle Complaints2 | 5,284 | 0 | 5,284 | 0 | 5,284 |
| Heavy Duty Diesel Program Complaints | 393 | 0 | 393 | 110 | 393 |
| Railroad and Marine Complaints | 27 | 0 | 27 | 0 | 27 |
| All Other Complaints3 | 0 | 0 | 0 | 0 | 0 |
| Total Complaints | 7,174 | 1,036 | 5,887 | 405 | 7,174 |
- 1Complaints referred to an external agency or those without enough information to take action
- 2Includes vehicles with GVWR between 14,001 and 26,000 lbs only. Heavy duty smoking vehicles (GVWR above 26,000 lbs) may be included in the Heavy Duty Diesel Program complaints
- 3Includes Weights and Measures complaints and those that fall outside the purview of ARB