EPA Air · NAAQS nonattainment
Air-emissions sources in nonattainment counties, District of Columbia
Facilities in a county EPA has designated as not meeting a National Ambient Air Quality Standard (NAAQS) for at least one pollutant, per EPA’s Green Book of currently designated areas.
- 360Facilities
Counties with sources in nonattainment areas, District of Columbia
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Facility and location figures from EPA’s ICIS-AIR download. Nonattainment designation from EPA’s Green Book, by county and state.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for state DC in nonattainment areas. It lists 361 facilities in DC, 360 facilities in DC in nonattainment areas, and 42 major sources in DC in nonattainment areas.