2020 NEI Supporting Data and Summaries

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These CSV data summaries are likely too large to open with Microsoft Excel. If this is the case, you can attempt to import these CSVs using Microsoft Access, or utilize other programming techniques such as breaking the file into several discrete files for import.

• Point (ZIP CSV) (421 MB)
• Onroad (ZIP CSV) (52 MB)
• Nonroad (ZIP CSV) (74 MB)
• Nonpoint(ZIP CSV) (138 MB)

Additional Summary Data

• Tribal Lands Emissions Summaries

  • Sector (csv) (708KB) (Includes both criteria and hazardous pollutants)
  • Tier 1 (xls) (17.6 KB) (Includes criteria pollutants only)
  • Tribal Fires (CSV) (48 MB)

• Other Emissions Summaries

  • Facility-level by Pollutant: (ZIP) (25 MB)
  • Biogenics: (XLSX) (640 KB)
  • All Sectors: (ZIP)(192 KB) National-county/tribe aggregated - sector file
  • Tier Summaries:  National/State/County summaries for Tier 1, Tier 2 and Tier 3

• Smoke Flat Files

  • Point (ZIP)(148 MB)
  • Nonpoint (ZIP)(99 MB)
  • Nonroad (ZIP) (117 MB)
  • Onroad (ZIP) (8.2 MB)

•  2020 NEI CAP and Lead emissions for Wildland (wild and prescribed) Fires

  • Annual County SCC CAP and Pb Emissions for Wildland Fires (short tons) (xlsx) (1.35 MB)
  • Monthly County Firetype CAP and Pb emissions for Wildland fires (short tons) (xlsx) (3.68 MB, January 10, 2023)