Division of Air Quality

The Division of Air Quality monitors and regulates all emissions to the air. It issues permits to construct and permits to operate air contaminant sources. It maintains emission inventories from business and industry. It develops the State’s implementation plan as required by the Clean Air Act. It adopts new regulations and supports enforcement of existing regulations. And it permits and inspects asbestos removal efforts.

Blue Skies Delaware;

Clean Air for Life

Mission: To continuously optimize Delaware’s air quality by working with citizens and business to protect public health, welfare, and the environment.


Public Comment Opportunity: Delaware’s Clean Air Act Petitions

Comment here on the EPA’s proposal to deny Delaware’s petitions to address upwind pollution that impacts Delaware’s air quality.

Public Hearing Exhibits: Mountaire and Walan

Review public hearing exhibits from the Division’s hearings on Mountaire and Walan.


Air Quality Monitoring

Learn how Delaware monitors air quality using stationary and movable monitors.

Residential Open Burning

Find out what’s allowed and what’s not. Read the Citizens Guide to Open Burning.


Learn about the risks of asbestos and how to Delaware works to protect us.

Regional Greenhouse Gas Initiative

Find out how Delaware works with other states to improve air quality.

Contact Us

We’re here to help you. Find out who to call with for help or with questions.

Business Assistance

Find free regulatory advisory assistance for new and existing small businesses.


From the Newsroom

Read More

This is a temporary homepage for the Division of Air Quality on the DNREC Alpha site. It includes links to Division of Air Quality pages on the old DNREC website as well as to pages on the new DNREC Alpha site, as they are developed as part of the DNREC Web Reboot project.

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