Allegheny's Air Gets EPA Green Light: Cleaner Skies Ahead
Published Date: 4/28/2025
Rule
Summary
Great news for Allegheny County! The EPA says the air there now meets the 2010 sulfur dioxide pollution standards, so the area is officially upgraded from 'needs work' to 'all clear.' Pennsylvania’s plan to keep the air clean is also approved, meaning healthier air for everyone without extra costs or delays.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
Allegheny County Upgraded to Attainment
The EPA approved Pennsylvania’s November 14, 2023 request to redesignate Allegheny County from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). That means the area now officially meets the 2010 SO2 standard.
Pennsylvania’s SO2 Maintenance Plan Approved
The EPA approved Pennsylvania’s State Implementation Plan revision that includes Allegheny County’s maintenance plan for the 2010 1-hour primary SO2 standard. The approval means the state’s plan to keep the air meeting the 2010 SO2 standard is accepted under the Clean Air Act.
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