EPA Approves Pennsylvania Air Plans for Fine Particle Pollution Standards
Published Date: 8/8/2025
Rule
Summary
Pennsylvania’s Liberty-Clairton and Allegheny County areas are officially recognized as meeting important air quality standards for tiny particle pollution. This update fixes some dates to July 24, 2025, ensuring the state’s plans to keep the air clean stay on track. Residents and local businesses can breathe easier knowing these improvements are locked in without extra costs or delays.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
PA areas redesignated as attainment
If you live or run a business in Liberty‑Clairton or Allegheny County, Pennsylvania, those areas are officially recognized as meeting fine particulate matter standards: Liberty‑Clairton for the 1997 annual and 2006 24‑hour PM2.5 standards, and Allegheny County for the 2012 annual PM2.5 standard. The rule corrections update related table dates to July 24, 2025, and the approval is documented in the Federal Register correction.
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