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  2. Community Multiscale Air Quality Modeling System (CMAQ)

Contact Us about the Community Multiscale Air Quality Modeling System

Please contact us using the form below.  Note: All information submitted by visitors is voluntary. Learn more about the Privacy Act at EPA.

  • Do you have a question that is not answered on our Frequent Questions page?
  • Would you like to collaborate with the CMAQ Team?
  • Do you have any suggestions for how we can make CMAQ better?

Technical support for CMAQ, including questions about model inputs, downloading, compiling, and running the model, and pre- and post-processing utilities, should be directed to the CMAS Center User Forum. 

Mailing Address:

U.S. Environmental Protection Agency
Center for Environmental Measurement and Modeling Atmospheric & Environmental Systems Modeling Division Mail Code: D305-01 Research Triangle Park, NC 27711

If you would like a response, please add your email address.

Community Multiscale Air Quality Modeling System (CMAQ)

  • Learn About CMAQ
    • CMAQ's Purpose
    • CMAQ 25th Anniversary
    • Overview of Science Processes
    • Browse CMAQ Applications
  • CMAQ Models
    • CMAQ-ISAM
    • CMAQ-DDM-3D
    • WRF-CMAQ
    • MPAS-CMAQ
  • Download CMAQ
    • Model Source Code
    • Documentation
    • Resources/Utilities for Model Users
  • CMAQ Research
    • Research Highlights
    • CRACMM
    • How to Cite CMAQ
    • Publications and Peer Review
  • CMAQ Community
    • CMAQ User Community
    • Opportunities for Collaboration
    • CMAQ Webinars
    • CMAQ Community Survey Results
  • Download Data
    • Download CMAQ data
    • Test Cases
    • EPA'S Air Quality Time Series (EQUATES) Project
  • About Us
  • Frequent Questions
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 19, 2025
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