Air Quality Department

For more air quality information, please visit

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  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. Thursday's Ozone High Pollution Advisory extended through Friday, July 20

    Posted to Air Quality on July 19, 2018

    Ozone High Pollution Advisory in effect Thursday and Friday, July 19-20. This HPA is due to ozone levels expected to accumulate enough to exceed the federal health standard for ozone. Read on...
  2. Maricopa County Air Quality Mobile App Reaches Milestone

    Posted to Air Quality on June 13, 2018

    Maricopa County Air Quality Department's Clean Air Make More app surpasses 40,000 downloads Read on...
  3. Maricopa County Air Quality Department Launches Lawn Mower Replacement Program

    Posted to Air Quality on June 4, 2018

    In an effort to improve air quality and reduce air pollution produced by gasoline powered lawn mowers, Maricopa County Air Quality Department introduces 'Mowing Down Pollution' lawn mower replacement program. Read on...
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  1. Training
  2. Department Events

July 2018

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