# 2026-03880: Michigan Ozone Cleanup Plan Approved by EPA Officials

2026-03880, Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone Standard, is a Federal Register rule from Environmental Protection Agency published 2026-02-26, effective 2026-03-30; PRIA reads it as touching household money (as of 2026-06-11).

- Canonical: https://policyrisk.com/federal-register/2026-03880
- As of: 2026-06-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-03880
- Title: Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone Standard
- Type: Rule
- Agencies: Environmental Protection Agency
- Citation: 91 FR 9453
- Published: 2026-02-26
- Effective: 2026-03-30
- Comments close: not stated
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-06-11

## In one line

Michigan Ozone Cleanup Plan Approved by EPA Officials

## Summary

The EPA is giving a thumbs-up to Michigan’s plan to clean up the air in parts of Allegan, Berrien, and Muskegon counties by meeting ozone pollution goals set in 2015. This means updated pollution data and car emissions limits are now official, helping these areas breathe easier. The new rules kick in on March 30, 2026, with no extra costs for residents—just cleaner air ahead!

## Abstract

The Environmental Protection Agency (EPA) is approving a revision to the Michigan State Implementation Plan (SIP) as meeting the reasonable further progress (RFP) requirements of the Clean Air Act (CAA) for the Allegan County (partial county), Berrien County, and Muskegon County (partial county) Moderate nonattainment areas for the 2015 ozone national ambient air quality standard (NAAQS). The EPA is also approving updated 2017 base year emissions inventories and is finding adequate and approving the 2023 motor vehicle emissions budgets (budgets) associated with the Allegan County, Berrien County, and Muskegon County Moderate ozone nonattainment RFP demonstrations. The EPA is approving these portions of the State's SIP submission pursuant to section 110 and part D of the CAA, and EPA's regulations. The EPA proposed to approve this action on December 11, 2025, and received no adverse comments.

## Effects PRIA read

- EPA Approves Michigan Ozone Cleanup: benefit, low. If you live in parts of Allegan County, Berrien County, or Muskegon County, Michigan, the EPA approved Michigan’s plan to meet the 2015 ozone standard by accepting updated 2017 emissions inventories, a 15 percent reasonable further progress demonstration, and 2023 motor vehicle emissions budgets. T…

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## Sources
- [2026-03880 on federalregister.gov](https://www.federalregister.gov/documents/2026/02/26/2026-03880/air-plan-approval-michigan-moderate-attainment-plan-elements-for-the-allegan-county-berrien-county)
- [2026-03880 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-02-26/pdf/2026-03880.pdf)

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- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-03880 (as of 2026-06-11).