EPA Approves Connecticut's Ozone Pollution Tracking Updates
Published Date: 11/18/2025
Rule
Summary
The EPA is giving a thumbs-up to Connecticut’s updated air pollution reports from 2014 and 2017, helping keep the state on track with clean air rules for ozone. This means better tracking of pollution in key areas, with no new costs or changes for businesses. The rule kicks in on December 18, 2025, making sure Connecticut stays a breath of fresh air!
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
No New Federal Costs for CT Businesses
EPA approved Connecticut's May 3, 2024 State Implementation Plan revisions (the 2014 and 2017 periodic emissions inventories) and states this approval "does not impose additional requirements beyond those imposed by state law". The rule is effective December 18, 2025, and EPA certified it "is not having a significant economic impact on a substantial number of small entities."
CT Fulfilled Ozone Inventory Requirement
EPA finalized approval that Connecticut's 2014 and 2017 periodic emissions inventories satisfy the Clean Air Act section 182(a)(3)(A) requirement for the 2008 8-hour ozone standard. The inventories cover volatile organic compounds (VOC) and nitrogen oxides (NOX) from point, area, non-road mobile, on-road mobile, and biogenic sources for the Connecticut portions of the NY-NJ-CT and Greater Connecticut ozone nonattainment areas.
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