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SOUTH COAST AQMD HEADQUARTERS
21865 Copley Drive - Diamond Bar, CA 91765
(909)396-2000

Toll free (800) numbers are restricted to local calls only.

Department/Service
Telephone
E-mail or Webpage
South Coast AQMD General Number
Air Quality Complaints (Excessive odors, smoke, dust, or other air contaminants)
Línea Directa en Español
Para información o para presentar una queja por calidad del aire
Air Quality Readings & Smog Forecasts
Asbestos Information Line
Annual Emissions Reporting Help and Support Hotline
Questions: aer@aqmd.gov
Log-in Problems: aer_IM@aqmd.gov
Carl Moyer Program
(Heavy Duty Engine Replacement Grants)
Check Before You Burn Information
Compliance Course Information
Cut-Smog (Smoking Vehicle Complaints)
Executive Office
Gas Nozzle Complaints
Governing Board Members & Assistants
Job Information
Library
Media Inquiries
Public Affairs Office:
Public Advisor
Regional Outreach staff
Speakers & Visitors
Public Records Requests
(909) 396-3700
FAX: (909) 396-3330
Small Business Assistance HOTLINE
Technology Advancement
Translation Assistance
Transportation Programs
Name
Job Title
Division
Contact Info

webinquiry@aqmd.gov

(909) 396-2000

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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765

909-396-2000

© 2025 South Coast Air Quality Management District