Environmental Planning

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 guidance documents are located at this link Guidance.


Statewide Air Quality Nonattainment and Maintenance Areas
Air Quality Updates
  • EPA: Information on Regulatory Actions on Air Quality Standards
  • FHWA: Information on Regulatory Actions on Transportation Conformity
  • EPA Region 9: Information on State of Arizona Implementation Plan Actions
Air Quality: Agency Contacts


From the ADOT Blog

Air quality impact studied by ADOT before projects move forward

Sept. 2, 2011

A couple months ago we told you how ADOT works to minimize the noise impact a new freeway has on surrounding neighborhoods. Well, similar efforts also are made when it comes to air quality … Full story ...

Civil RightsTitle VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA)

Pursuant to Title VI of the Civil Rights Act of 1964, and the Americans with Disabilities Act (ADA), ADOT does not discriminate on the basis of race, color, national origin, age, sex or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at 602.712.8946 or at [email protected]. Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el título VI de la Ley de Derechos Civiles de 1964 y la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés), el Departamento de Transporte de Arizona (ADOT por sus siglas en inglés) no discrimina por raza, color, nacionalidad, edad, género o discapacidad.  Personas que requieren asistencia (dentro de lo razonable) ya sea por el idioma o por discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles al 602.712.8946 o en [email protected]. Las solicitudes deben hacerse lo más pronto posible para asegurar que el equipo encargado del proyecto tenga la oportunidad de hacer los arreglos necesarios.