The public notices in this section are provided as a convenience to the public. The official legal notice has been published in accordance with the requirements of all applicable laws.
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Note: Notices of Proposed Regulations can be viewed on the Connecticut eRegulations website.
Connecticut Department of Energy & Environmental Protection
Proposed State Implementation Plan (SIP) Revisions
Page 1 of 1
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Notice of a regulatory amendment to align Connecticut’s fine particulate matter ambient impact level and fine particulate matter and sulfur dioxide ambient air quality standards with recently promulgated federal guidance and standards. A public hearing will be held on September 16, 2025 only if a request for a hearing is submitted by September 2, 2025. Written comments are due by September 17, 2025.
Date Posted: 8/11/2025