SIP Status Reports
This page helps you track the current status of air quality State Implementation Plan (SIP) submittals, and EPA's actions on those submittals.
- SIP status for nonattainment requirements
- SIP status for state infrastructure requirements
- Related information
SIP Status for Nonattainment (Designated Area) Requirements
About these reports: If an area is designated as "nonattainment" (designated areas), states must develop a SIP that details the path to attain and maintain the National Ambient Air Quality Standards (NAAQS). Certain Northeast states, known as the Ozone Transport Region (OTR), must also submit a SIP for the pollutants that form ozone.
- State Designated Area Reports - For each NAAQS, find the status of a state's submissions and EPA actions on those submissions.
- National Designated Area Reports - For a single SIP required element for all applicable states, find the status of state submissions and EPA actions on those submissions.
- NAAQS Designated Area Reports - For each NAAQS, find the status of all state submissions and EPA actions on those submissions.
See also: Where to find EPA actions on SIP submittals in the Federal Register.
Learn more about nonattainment area requirements:
SIP Status for State Infrastructure Requirements
About these reports: States must submit SIPs that implement, maintain, and enforce a revised primary or secondary NAAQS. This type of SIP is commonly referred to as an "infrastructure SIP."
- State Infrastructure Reports - For each NAAQS, find the status of a state's submissions and EPA actions on those submissions.
- National Infrastructure Reports - For a single infrastructure SIP requirement, find the status of all state submissions and EPA actions on those submissions.
See also: Where to find EPA actions on SIP submittals in the Federal Register.
Learn more about infrastructure nonattainment area requirements:
Related information
New SIP Status Tools
As of March 12, 2021, this site and the related pages are no longer being updated. For the latest information, see the Tools for State Implementation Plan (SIP) Status.