Description: <A href="https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B448451DF-30E7-4B29-9A08-B3F7A68870BE%7D">Full Metadata</A> This web service layer displays areas identified in the U.S. where ground-level ozone have not met the National Ambient Air Quality Standards (NAAQS) established in 1990 for carbon monoxide and have been designated "nonattainment” areas (NAA)". The data are updated weekly from an OAQPS internal database. However, that does not necessarily mean the data have changed. This layer is drawn at all scales.
Copyright Text: U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)
Name: Carbon Monoxide 1971 NAAQS NAA National Level
Display Field: pollutant_name
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: <A href="https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B448451DF-30E7-4B29-9A08-B3F7A68870BE%7D">Full Metadata</A> This web service layer displays areas identified in the U.S. where ground-level ozone have not met the National Ambient Air Quality Standards (NAAQS) established in 1990 for carbon monoxide and have been designated "nonattainment” areas (NAA)". The data are updated weekly from an OAQPS internal database. However, that does not necessarily mean the data have changed. This layer is drawn at all scales.
Copyright Text: U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)