About the Maricopa County Air Quality Department

The mission of the Maricopa County Air Quality Department is to improve the air of Maricopa so customers, residents and visitors can live, work and play in a healthy environment.

The Maricopa County Air Quality Department is a regulatory agency whose goal is to ensure federal clean air standards are achieved and maintained for the residents and visitors of Maricopa County. The Maricopa County Air Quality Department is governed by the Maricopa County Board of Supervisors and follows air quality standards set forth by the federal Clean Air Act.

There are five divisions within the Air Quality Department including:

The department has statutory authority (ARS §49-402.B) for air quality programs and receives direct delegation/authority from the Environmental Protection Agency for certain air quality programs. In addition, the department has responsibility through a formal agreement with ADEQ and MAG for emission inventories, air quality monitoring data and its Travel Reduction Program.

The department manages the Clean Air Make More outreach initiative to promote cleaner air and healthier lives. For more information about the Maricopa County Air Quality Department, please visit www.maricopa.gov/aq.

Maricopa County Air Quality Department’s Annual Report Fiscal Year 2017