Nonattainment Area - Nitrogen Dioxide (NO2 - 1971)

Non-attainment and maintenance areas for the United States and its territories October 24, 2017. The standard for the NO2 NAA is 0.053 ppm. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.

Data and Resources

Field Value
access_constraints ["Use Constraints: The Non-attainment Area - Nitrogen Dioxide dataset, or any portion thereof, can be freely distributed as long as this metadata entry is included with each distribution. Acknowledgment of the Office of the Assistant Secretary for Research and Technology/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD) would be appreciated in products derived from these data.", "Access Constraints: None"]
bbox-east-long -116.517032
bbox-north-lat 34.817919
bbox-south-lat 32.799554
bbox-west-long -118.942589
contact-email answers@bts.gov
coupled-resource []
dataset-reference-date [{"type": "publication", "value": "2016-01-01"}]
frequency-of-update annually
licence ["None"]
metadata-date 2016-11-08
metadata-language eng; USA
metadata_type geospatial
progress completed
resource-type dataset
responsible-party [{"name": "U.S. Environmental Protection Agency", "roles": ["pointOfContact"]}, {"name": "Office of the Assistant Secretary for Research and Technology/Bureau of Transportation Statistics (BTS)", "roles": ["pointOfContact"]}]
spatial {"type": "Polygon", "coordinates": [[[-118.942589, 32.799554], [-116.517032, 32.799554], [-116.517032, 34.817919], [-118.942589, 34.817919], [-118.942589, 32.799554]]]}
spatial_harvester true
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • 2007
  • 2008
  • 2009
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • amerigeo
  • amerigeoss
  • ckan
  • criteria-pollutant
  • geo
  • geoss
  • maintenance-area
  • national
  • nitrogen-dioxide
  • nonattainment-area
  • north-america
  • united-states
  • usa
isopen False
metadata_created 2025-11-22T04:00:18.186753
metadata_modified 2025-11-22T04:00:18.186759
notes Non-attainment and maintenance areas for the United States and its territories October 24, 2017. The standard for the NO2 NAA is 0.053 ppm. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
num_resources 6
num_tags 23
title Nonattainment Area - Nitrogen Dioxide (NO2 - 1971)