Non-attainment and maintenance areas for the United States and its territories. The standard for the CO NAA is 9 ppm. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
© Butch Stackhouse
State and Local Programs Group
Air Quality Policy Division
Office of Air Quality Planning and Standards
U.S. Environmental Protection Agency
This layer is sourced from maps.bts.dot.gov.
|Copyright||Copyright may apply. Please check the source for more information.|
|Regions||United States of America|
|Data type||Vector multipolygon|
|Attributes||Shape_Length, STPOSTAL, AREA_NAME, POLLORDER, NAASTATUS, COMPOSID, RPTDATE, REVOKED_ST, CLASS, POLLUTANT, STFIPS|
|Services||Vector Query API|
|Added||21 Sep 2016 ago|
|Last checked||5 Sep 2018 ago|