本文翻译正在准备中。在此之前，我们暂时显示英文原文。
能源与环境 · 2026/1/291 分钟阅读
Determination of Attainment by the Attainment Date and Clean Data Determination; California, San Joaquin Valley 1997 Annual PM2.5 Fine Particulate Matter Nonattainment Area
本地自动翻译 · 来源原始语言
摘要
The Environmental Protection Agency (EPA) is finalizing our determination that the San Joaquin Valley, California, fine particulate matter (PM 2.5 ) nonattainment area attained the 1997 annual PM 2.5 national ambient air quality standards (NAAQS) by the December 31, 2024 applicable attainment date. This determination is based on ambient air quality monitoring data from 2022 through 2024. We are also making a clean data determination (CDD) based on the 2022 through 2024 data and our evaluation of preliminary air quality monitoring data from 2025.
来源原始语言: Federal Register — Environmental Protection Agency打开原始公告 →