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


The vision of the MCAQD is to collaborate with customers, residents, and visitors to improve the air quality of Maricopa County and build and promote a healthy environment and economy.


The values of the MCAQD center on working closely with our customers, residents, and visitors to improve air quality through innovation, collaboration and technology. We serve our customers through timely, open, and honest communication and by maintaining a diverse and well-trained workforce that is respected for its positive attitude, integrity and stewardship of the public’s resources and the environment.