Air Quality
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. (EPA Green Book)
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.
- Project Conformity Level Consultation - SR 24, SR 202L (Santan) – Ironwood Drive, comments requested by June 20th, 2025.
- Project Conformity Level Consultation - Casa Grande, Thornton Rd Widening, comments requested by June 6th, 2025.
- Draft Air Quality Report for Interstate 10/Koli Road Traffic Interchange Study
- Refer to the "Transportation Conformity" tab for prior documents.
- Refer to the "Project Development- Air Quality" tab for consultant resources and instructions.
Air Quality: Agency Contacts
- Maricopa County Dust Control Training
- Maricopa County Air Quality
- Pinal County Air Quality
- Pima County Air Quality
- ADEQ Air Quality