Community Support

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 .

You can search the forum for past questions and answers on the topic of your interest. To post a new question or respond to an existing post, sign up for the forum by clicking on the “Sign Up” button in the top right corner of the website.

Pleae read and follow these steps prior to submitting new questions to the User Forum.

Visit the CMAQ website to learn about the many individuals and organizations that use and contribute to the CMAQ system: https://www.epa.gov/cmaq/cmaq-community