Open for CommentEPA· Environmental Protection AgencyProposed Rule

Air Quality State Implementation Plans; Approvals and Promulgations: Interstate Transport Plan Review for the 2015 Ozone NAAQS

Introduced March 2, 2026Comment period ends March 24, 2026View on regulations.gov ↗
💬 Closes in 5 daysDeadline: Mar 24, 2026

What This Means

The EPA is reviewing and approving state plans for controlling ground-level ozone pollution to meet federal air quality standards set in 2015. This affects people living in areas with air quality problems, because the states' plans determine what pollution controls industries and vehicles must follow to reduce harmful ozone that damages lungs and causes breathing problems. The review matters because the EPA is checking whether states are doing enough to clean up their air and whether pollution from one state is drifting into neighboring states, which requires states to work together on solutions.

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Details

TypeFederal Regulation
AgencyEPA · Environmental Protection Agency
Regulations.gov IDEPA-HQ-OAR-2025-0192-0001
IntroducedMarch 2, 2026
Comment DeadlineMarch 24, 2026

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