The Public Health Air Quality Act of 2025 requires the EPA to significantly expand air quality monitoring across the United States, establishing new monitoring networks near pollution sources and in underserved communities to track hazardous air pollutants that pose health risks. The bill mandates the EPA deploy approximately 80 new multipollutant monitoring stations within 18 months (prioritizing vulnerable communities), establish continuous monitoring at roughly 100 high-priority industrial facilities like refineries and factories, and repair or replace malfunctioning monitors nationwide. Industrial facilities must implement fenceline monitoring to measure air pollution at their boundaries, conduct emissions testing using updated methods, and publicly report all data online in multiple languages with alert systems for residents when pollution exceeds health-protective levels. The bill also requires the EPA to develop regulations within two years for continuous emissions monitoring and corrective action requirements, incorporate satellite data into air quality compliance measurements by 2028, and enhance community participation in monitoring decisions through multilingual notices and public hearings. The legislation authorizes approximately $271 million for fiscal years 2026-2027 to implement these monitoring and regulatory programs.
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