Środowisko i energia · 14/05/2026
EPA Proposes Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California
The Environmental Protection Agency (EPA) is proposing to determine that the Portola nonattainment area in Plumas County, California, attained the 2012 annual fine particulate matter national ambient air quality standard by the December 31, 2025 attainment date, based on ambient air quality monitoring data from 2023 through 2025.