Air Quality Construction Permitting

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Iowa DNR


DNR Air Quality Bureau

The following resources provide small businesses a basic overview of air quality regulations in the state of Iowa.

All new or modified equipment and control equipment that emits air pollutants must have a construction permit unless the equipment is otherwise exempt.

-- Iowa Administrative Code

Regulated Air Pollutants

Carbon Monoxide (CO)

Hazardous Air Pollutants (HAPs)

Particulate Matter (PM, PM10, PM2.5)

Lead (Pb)

Nitrogen Oxides (NOx)

Sulfur Dioxide (SO2)

Volatile Organic Compounds (VOCs)

Air construction permit applications, modifications, requests for rescission and start of construction and start of operation notifications must be done using the Iowa DNR's electronic permit application system Iowa Easy Air. Contact the IAEAP with questions or guidance on completing an air quality construction permit application.

Iowa Easy Air program logo

These resources and information have been developed by the Iowa Air Emissions Assistance Program, a program focused on training and educating Iowa small businesses with less than 100 employees. The Iowa Air Emissions Assistance Program is funded by the Iowa Department of Natural Resources. This information is intended solely as guidance, cannot be used to bind the Iowa Department of Natural Resources and is not a substitute for reading applicable statutes and regulations.