2025-24141Rule

Colorado's Air Rules Get EPA Thumbs-Up with Language Cleanup

Published Date: 1/2/2026

Rule

Summary

The EPA is giving a thumbs-up to Colorado’s updated air rules that clean up and clarify the language without changing the meaning. These tweaks help the state keep its air quality plans clear and easy to follow. The new rules kick in on March 3, 2026, unless someone speaks up by February 2, 2026, and there’s no cost impact for businesses or the public.

No Economic Impacts Identified for this Document

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Key Dates

Published Date
Comments Due
Rule Effective
1/2/2026
2/2/2026
3/3/2026

Department and Agencies

Department
Independent Agency
Agency
Environmental Protection Agency
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