Description: Non-attainment and maintenance areas for the United States and its territories as of October 24, 2017. The standard for the Ozone 8-hour NAA is 0.075 ppm. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
Service Item Id: acbbed25d1374b35a4c20e4b36a010d3
Copyright Text: The Environmental Protection Agency (EPA)