This repository has been deprecated in favour of https://github.com/openmethane/CMAQ, which has includes many of the same changes, but has a clearer lineage to official CMAQ v5.0.2.
US EPA Community Multiscale Air Quality Model (CMAQ) Website: https://www.epa.gov/cmaq
This repository is a version of https://github.com/USEPA/CMAQ/tree/5.0.2 which has been modified specifically to work for Open Methane.
If you are seeking to start a new project based on CMAQ, you should use the official versions provided by the US EPA.