Data / Federal rules / 2026-09613

Air Plan Approval; Illinois; Moderate Attainment Plan Elements for the Chicago and Metro East Areas for the 2015 Ozone Standard

The Environmental Protection Agency published this final rule in the Federal Register on May 14, 2026. It took effect on June 15, 2026.

SpecStream is the live web data engine for teams and agents. It reads every rule and proposed rule in the Federal Register each morning, and this page is that reading. Name your industry once and new rules, comment deadlines and effective dates arrive in your sheet, CRM, Slack or agent as they are published.

Get new rules for your industry

What the agency says

The Environmental Protection Agency (EPA) is approving portions of Illinois' 2015 ozone National Ambient Air Quality Standard (NAAQS or standard) Moderate nonattainment area State Implementation Plan (SIP) submittal for the Chicago and the Metro East St. Louis areas. The portions being approved are the reasonable further progress (RFP) demonstration, including the associated motor vehicle emissions budgets for 2023; the motor vehicle inspection and maintenance (I/M) program; the nonattainment new source review (NNSR) program; and the updated 2017 base year emissions inventories. The EPA is approving these portions of the State's SIP submittal pursuant to section 110 and part D of the Clean Air Act (CAA), and the EPA's regulations. The EPA is also finding adequate and approving the 2023 motor vehicle emissions budgets (budgets) for the Chicago and Metro East St. Louis Moderate ozone nonattainment RFP demonstration included in this SIP submittal. The EPA proposed to approve this action on February 12, 2026, and received no adverse comments.

Key facts

Document number: 2026-09613
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: May 14, 2026
Takes effect: June 15, 2026
Dates: This final rule is effective on June 15, 2026.
Docket: EPA-R05-OAR-2024-0617; EPA-R05-OAR-2024-0618; FRL-13163-02-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 3

The document on federalregister.gov PDF

Other documents from the Environmental Protection Agency

Document	Type	Published
Virginia: Approval of State Coal Combustion Residuals Permit Program 2026-21622	Final rule	Oct 22
Utah Underground Injection Control Program; Class VI Primacy 2026-21618	Proposed rule	Oct 22
Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program 2026-21603	Final rule	Oct 22
New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State 2026-21383	Proposed rule	Oct 19
Air Quality Plan; Arizona; Agricultural Best Management Practices Rules for the West Pinal County PM10 Nonattainment Area 2026-21289	Proposed rule	Oct 19
Approval and Promulgation of Implementation Plans-Pinal County (Part); West Pinal, AZ PM10 Nonattainment Area; Moderate Area, Serious Area, and Section 189(d) Plan for Attainment of the 24-Hour PM10 Standard 2026-21288	Proposed rule	Oct 19
Air Quality Plan; Arizona; Pinal County Air Quality Control District; West Pinal County PM10 Nonattainment Area; Fugitive Dust Rules 2026-21287	Proposed rule	Oct 19
Approval and Promulgation of Implementation Plans; Arizona; Revisions to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs 2026-21268	Final rule	Oct 19

Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in May 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.