EPAFinal Rule
Air Quality State Implementation Plans; Approvals and Promulgations: Utah; Salt Lake City and Provo, Utah PM2.5 Redesignations to Attainment and Utah State Implementation Plan Revisions
EnvironmentHealthcareTransportation
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Summary
The EPA is officially recognizing that Salt Lake City and Provo, Utah have improved their air quality enough to meet federal clean air standards for fine particle pollution (PM2.5). This means these areas can relax some pollution-control requirements while still maintaining the progress they've made, though they must continue monitoring air quality and submit plans to keep it that way.
Key Points
- 1Salt Lake City and Provo are being redesignated from 'nonattainment' to 'attainment' status, meaning the EPA officially acknowledges these areas now meet federal air quality standards for harmful fine particles
- 2These Utah cities have reduced PM2.5 pollution (tiny particles from vehicles, industry, and wood burning) to acceptable levels through previous cleanup efforts
- 3The areas can now follow less stringent pollution-control rules, but must still submit updated air quality plans to show they'll maintain clean air standards going forward
- 4Local businesses and industries may face fewer restrictions, but state officials must continue monitoring air quality to prevent pollution from rising back to unhealthy levels
- 5This change reflects years of work by Utah regulators and improvements in vehicle emissions standards that have cleaned up the air in these major population centers
Key Dates
Published
November 19, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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