Air Quality Department

For more air quality information, please visit

Clean Air Logo Horizontal, smaller text

We Are Moving Nov. 13

  1. Air Quality Department


    Physical Address
    1001 N Central Suite 125
    Phoenix, AZ 85004

    Phone: 602-506-6010
    Fax: 602-372-0587

  2. Permit Intake Locations


The Library

The Library

A collection of all of our applications, forms, handbooks, reports, rules, and other documents

Resources for the Regulated Community

Maricopa County Resources for the Regulated Community

The most frequently-used pages and documents for the regulated community

Get Involved


Get Involved

Tools for the public to help you be informed about and get involved in your air quality

  1. Maricopa County Air Quality Department Reaches Settlement Agreement with Gro-Well

    Posted to Air Quality on October 9, 2018

    Maricopa County Air Quality Department has reached a settlement agreement with Gro-Well Brands Inc. after claims of air quality violations. Read on...
  2. Reduce Dust When Planting Winter Rye Grass

    Posted to Air Quality on September 14, 2018

    Overseeding can impact air quality by generating dust when scalping existing Bermuda grass. Read on...
  3. Available funding through FY18 DERA State Clean Diesel Grant Program

    Posted to Air Quality on April 24, 2018

    Maricopa County Air Quality Department is administering the EPA's Diesel Emission Reduction Act (DERA) State Clean Diesel Program grant. Read on...
View All
  1. Training
  2. Department Events

October 2018

Su M Tu W Th F Sa
30 1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31 1 2 3
View All