Air Pollution Complaints

This page last reviewed October 27, 2011

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The ARB's Complaint Program conducts special investigations of air pollution complaints from all over the state of California, monitors the ARB's complaint hotline and informs Air Pollution Control Districts of possible violations of district rules and assists in conducting selected complaint investigations. To reach the ARB's Vehicle Complaint Hotline, please call 1-800-END-SMOG or 1-800-363-7664.


Telephone Hotlines

Vehicle Complaint Hotline: 1-800-END-SMOG
General Air Pollution Complaint Hotline: 1-800-952-5588

Complaint Resolution

If you would like to learn more about how to resolve air pollution complaints, please review the ARB's Complaint Resolution Protocol (in English or Spanish.)

U.S. EPA

To report an environmental violation that falls under federal jurisdiction, please visit the U.S. EPA Compliance and Enforcement website, which also includes detailed information regarding what constitutes a federal environmental crime.

Complaint Program Contacts


Complaint Investigations: 

Please contact Warren Hawkins or telephone at (916) 323-8417.

Idling Commercial Vehicle
or Smoking Vehicle Complaints:

In Northern California, please email Katerina Krichevsky or telephone (916) 323-0164.
In Southern California, please email Hortencia Mora or telephone at (626) 350-6590.

Locomotive Complaints: 

Please email John Oback or telephone at (916) 322-8046.

Drayage Complaints:  

Please email Xiangyi Li or telephone at (626) 350-6506.

TRU Complaints:  

In Northern California, please email Bradley Penick or telephone at (916) 445-0799.
In Southern California, please email Aldo Chaney or telephone at (626) 350-6577.


Thank you for helping us improve California's air quality!

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