EPA Environmental Dataset Gateway


Open/Close section Identification Information
Title: National Emissions Inventory (NEI), County-Level, US, 2008, 2011, 2014, EPA OAR, OAPQS
Abstract: This US EPA Office of Air and Radiation, Office of Air Quality Planning and Standards, Air Quality Assessment Division, Air Quality Analysis Group (OAR, OAQPS, AQAD, AQAG) web service contains the following layers created from the 2008, 2011 and 2014 National Emissions Inventory (NEI): Carbon Monoxide (CO), Lead, Ammonia (NH3), Nitrogen Oxides (NOx), Particulate Matter 10 (PM10), Particulate Matter 2.5 (PM2.5), Sulfur Dioxide (SO2), Volatile Organic Compounds (VOC). Each of these layers conatin county level emissions for 2008, 2011, and 2014. Layers are drawn at all scales. The National Emission Inventory (NEI) is a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from air emissions sources. The NEI is released every three years based primarily upon data provided by State, Local, and Tribal air agencies for sources in their jurisdictions and supplemented by data developed by the US EPA. The NEI is built using the Emissions Inventory System (EIS) first to collect the data from State, Local, and Tribal air agencies and then to blend that data with other data sources. NEI point sources include emissions estimates for larger sources that are located at a fixed, stationary location. Point sources in the NEI include large industrial facilities and electric power plants, airports, and smaller industrial, non-industrial and commercial facilities. A small number of portable sources such as some asphalt or rock crushing operations are also included. Some states voluntarily also provide facilities such as dry cleaners, gas stations, and livestock facilities, which are otherwise included in the NEI as nonpoint sources. The emissions potential of each facility determines whether that facility should be reported as a point source, according to emissions thresholds set in the Air Emissions Reporting Rule (AERR). NEI Point Sources are all included in the EIS Point Data Category. NEI nonpoint sources include emissions estimates for sources which individually are too small in magnitude to report as point sources. These emissions sources are included in the NEI as a county total or tribal total (for participating tribes). Examples include residential heating, commercial combustion, asphalt paving, and commercial and consumer solvent use. NEI nonpoint sources are all included in the EIS Nonpoint Data Category.
Purpose: This GIS dataset presents annual emissions for 2008, 2011, and 2014 at the county level that can be used to determine the location and types of sources that emit criteria and hazardous air pollutants.
Open/Close section Distribution Information
Resource(Server) URL: https://gispub.epa.gov/arcgis/rest/services/OAR_OAQPS/NEI_County_CAPs/MapServer
Download URL: https://gaftp.epa.gov/EPADataCommons/OAR/OAQPS/NEI/NEI_County_CAP.zip
Reference URL: https://www.epa.gov/air-emissions-inventories/national-emissions-inventory
Website URL: https://www3.epa.gov/airquality/
Open/Close section Time Period of Content
Publication Date: 20170302
Progress: Completed
Frequency: irregular
Open/Close section Multiple Date
Date: 2008
Date: 2011
Currentness: Publication date
Open/Close section Spatial Domain
West Bounding Longitude: -138.21454852
East Bounding Longitude: -12.68151645
North Bounding Latitude: 61.7110157
South Bounding Latitude: 6.65223303
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Open/Close section Constraints
License https://edg.epa.gov/EPA_Data_License.html
Access: None
Use: None. Please check sources, scale, accuracy, currency and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated.
Open/Close section Theme Keywords
Theme Topics: Air, Facilities
Open/Close section Contact Information
Originator: US Environmental Protection Agency
Email: stitt.brian@epa.gov
Address Type: mailing and physical address
City: Research Triangle Park
State: NC
Postal Code: 27709
Telephone: 919-541-3757
Open/Close section Metadata Reference Information
File Identifier: {6d0d2bcc-67ed-48ea-8655-361982efd8d9}
Metadata Date Stamp: 2018-05-03
Metadata Standard Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version: FGDC-STD-001-1998