Final rule · 2026-11732

Air Plan Approval; New York; New York Metropolitan Area Second Ten-Year Limited Maintenance Plan for the 2006 24-Hour PM2.5 Standard

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) submitted by the State of New York for the purpose of fulfilling the requirement for a limited maintenance plan (LMP) for the 2006 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standard (NAAQS) for ten counties which comprise the New York portion of the New York-Northern New Jersey-Long Island (NY-NJ-CT) 2006 PM<INF>2.5</INF> NAAQS maintenance area. This LMP was submitted on October 15, 2024 by the New York State Department of Environmental Conservation (NYSDEC). The plan addresses the second ten-year maintenance period for particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers, known as PM<INF>2.5</INF>. This action is being taken in accordance with the requirements of the Clean Air Act (CAA).