Currently, ten DFW area counties are in nonattainment for ozone, meaning their air quality exceeds what the Environmental Protection Agency considers healthy. Collin, Dallas, Denton, Ellis, Johnson, Kaufman, Parker, Rockwall, Tarrant and Wise Counties make up the nonattainment area.

Air North Texas is a public awareness campaign that encourages residents of the Dallas-Fort Worth (DFW) region to make clean air choices. Air North Texas was created in 2007 and launched in 2008, and is composed of a coalition of regional organizations committed to improving the air in DFW. Before Air North Texas launched, the DFW region had disjointed messages about air quality. Air North Texas is composed of a coalition of 25 regional partner organizations committed to improving the air in the DFW region, and aims to generate a consistent region- wide brand that promotes clean air behavior and lifestyle changes.