This Modeling Report includes a description of the methods and datasets used in the air quality modeling analyses to estimate the Resolution Project’s air quality impacts relative to the applicable Ambient Air Quality Standards (AAQS) for criteria pollutants and to Air Quality Related Values in the near-field domain (Class I Superstition Wilderness Areas [SWA] and the White Canyon Area of Critical Environmental Concern [WC ACEC]) and in several Class I Wilderness Areas in the far-field domain (Sierra Ancha Wilderness Area [SAWA], Mazatzal Wilderness Area [MWA], and Galiuro Wilderness Area [GWA]).