EPAFinal Rule

Air Quality State Implementation Plans; Approvals and Promulgations: Idaho; Regional Haze Plan for the Second Implementation Period

EnvironmentEnergy

Summary

The EPA approved Idaho's plan to improve air quality and reduce haze in the state, particularly affecting scenic areas like national parks and wilderness regions. This rule requires Idaho to monitor air pollution and take steps to make the air clearer over the next several years.

Key Points

  • 1Idaho must reduce air haze caused by pollution, particularly in areas known for scenic views
  • 2The plan applies to sources of pollution like power plants, factories, and other industrial facilities across Idaho
  • 3Idaho will track air quality improvements through monitoring systems and report progress to the EPA
  • 4This is the second phase of a long-term effort, with goals extending over the next 10+ years
  • 5The regulation helps protect public health and preserves visibility at national parks and protected outdoor areas

Key Dates

Published

September 5, 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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