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Particle Pollution Designations Data for the 2024 Revised Annual PM2.5 NAAQS

Particle pollution designations guidance

Air Quality Designations for Particle Pollution

This area provides information on the process EPA, the states, and the tribes follow to designate areas as attainment (meeting) or nonattainment (not meeting) the particle pollution air quality standards.

2024 PM2.5 Primary Annual NAAQS Designations - New York Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - North Carolina Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - North Dakota Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Ohio Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Oklahoma Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Pennsylvania Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Oregon Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Rhode Island Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - South Carolina Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - South Dakota Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Tennessee Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Texas Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Utah Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Vermont Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Virginia Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Washington Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - West Virginia Initial Designation and EPA Response

2024 PM2.5 Primary Annual NAAQS Designations - Wisconsin Initial Designation and EPA Response