Air Quality

The ADOT Air Quality Group works to enhance air quality through congestion mitigation, air quality programs and National Environmental Policy Act (NEPA) planning activities to implement provisions required in the Clean Air Act to meet National Ambient Air Quality Standards throughout Arizona.

Air Quality Documents Under Review

Documents for review will be posted below to provide reasonable public access to technical and policy information considered by the agency for transportation conformity determinations, and comments can be directed to ADOT Air Quality Staff.

• Refer to the "Transportation Conformity" tab for prior documents.
• Refer to the "Project Development- Air Quality" tab for consultant resources and instructions.
• Interagency Consultation Document for Yuma County Ave E/D Extension: Co. 23rd to Co. 16th St., comments through July 21, 2024.

Air Quality: Agency Contacts

• Maricopa County Dust Control Training
• Maricopa County Air Quality
• Pinal County Air Quality
• Pima County Air Quality
• ADEQ Air Quality

Current Air Quality Links

• Maricopa County
• Pima County
• Pinal County
• Santa Cruz County (Nogales)
• Yuma County

Dust Advisories