US EPA Nonattainment Areas and Designations-8 Hour Ozone (2015 NAAQS) - Web Service Layer
This web service layer, Ozone 8-hr (2015 standard), displays identified state level areas where ground-level ozone have not met the National Ambient Air Quality Standards (NAAQS) established in 2015 for ground-level ozone and have been designated "nonattainment” areas (NAA)". Full FGDC metadata records for each layer …