USEPA Proposes New Particulate Matter Air Quality Standard
by Amanda Reeve The U.S. Environmental Protection Agency (USEPA) announced on January 6, 2023, that it is proposing to modify the National Ambient Air Quality Standard (NAAQS) for Fine Particulate Matter (PM2.5). The current annual primary (health-based) NAAQS for PM2.5 is set at 12.0 micrograms per cubic meter of air (µg/m3); but it could soon […]
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Amanda A. Reeve
Environmental & Regulatory Policy Advisor