# FFA and Reclassification of areas in IL, IN, MI, OH, and WI as Serious for the 2015 Ozone NAAQS

> **EPA** · Rulemaking · Modified 2026-04-27T12:44:14Z

## Docket
- **Docket ID:** EPA-R05-OAR-2024-0546
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2026-04-27T12:44:14Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-R05-OAR-2024-0546)
- [Public comments](https://www.regulations.gov/docket/EPA-R05-OAR-2024-0546/comments)

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