The Gulf of Mexico Air Quality Database (GMAQDB) has been developed by ICF International and Air Resource Specialists, Inc. (ARS) under MMS Contract No. 0106CT39773-Synthesis, Analysis, and Integration of Meteorological and Air Quality Data Study. The GMAQDB is comprised of two primary components: an Oracle database containing meteorological, air quality, and emissions data from the Gulf of Mexico and Gulf Coast areas; and a custom interactive database tool developed with Microsoft Access 2003.