# Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard Areas

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-08-20 |
| Effective | 2026-09-21 |
| Significant | No |
| CFR parts | 40 CFR 52 |
| Summary | The U.S. Environmental Protection Agency (EPA) is approving portions of Wisconsin's 2015 ozone National Ambient Air Quality Standard (NAAQS or standard) Moderate nonattainment area State Implementation Plan (SIP) submission for the Wisconsin portion of the Chicago, Illinois-Indiana-Wisconsin area (Kenosha County), the Milwaukee, Wisconsin area, and the Sheboygan County, Wisconsin area. The elements of the Moderate SIP submissions include the reasonable further progress (RFP) demonstration and the associated motor vehicle emissions budgets (Budgets) for 2023, the motor vehicle inspection and ma |
| Document number | 2026-16986 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/20/2026-16986/air-plan-approval-wisconsin-moderate-attainment-plan-elements-for-wisconsins-2015-ozone-standard). Last refreshed: 2026-11-03T19:10:06.902Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.