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EPA Approved Air Quality Implementation Plans

Air emissions reductions strategy Air quality management

Description

Website providing information on state, Tribal, and federal implementation plans. Information included on approved state regulations, source specific requirements, and nonregulatory provisions.

Questions this resource can help answer

What are comprehensive state and local plans to attain the National Ambient Air Quality Standards?
What regulations have states and cities implemented to require emissions controls needed to meet the National Ambient Air Quality Standards?

How do I use this resource?

You click on the map of the U.S. to see the available SIP information for states and Tribes within each EPA region. Viewing the specific underlying PDF documents can require going through several additional webpages.

Pro tips

In addition to state plans, some states have local implementation plans which can serve as a model for regulations to reduce emissions at the city level.

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EPA Approved Air Quality Implementation Plans

Description

Questions this resource can help answer

How do I use this resource?

Pro tips

Resource information

Technical specifications