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Technology · 06/10/2026

EPA Announces Plan for 2024 PM2.5 NAAQS Designations

The U.S. Environmental Protection Agency (EPA) is providing notice of its approach for designating areas for the 2024 primary annual fine particulate matter (PM2.5) National Ambient Air Quality Standards (NAAQS), a key step in implementing the revised standards.

Source: Federal Register — Environmental Protection AgencyOpen original release →