United States Non-Attainment Areas: Particulate Matter 2.5 Annual, 2013
- Author(s):
- United States. Bureau of Transportation Statistics and United States. Environmental Protection Agency.
- Description:
- Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
- Place(s):
- United States
- Subject(s):
- environment
- Year:
- 2011 and 2007
- Held by:
- Columbia