Definitions for "CMAQ"
Congestion Mitigation Air Quality (federal grant program)
Congestive Mitigation and Air Quality Improvement Program. CMAQ was introduced in the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA). It is set up to provide Federal funding to help fulfill Clean Air Act mandates in areas that do not meet ambient air quality standards or may have trouble meeting those standards (nonattainment or maintenance areas).
The Models-3/ Community Multi-scale Air Quality (CMAQ) modeling system is a multi-pollutant air quality modeling and assessment tool.