2020 National Emissions Inventory (NEI) Data
Documentation
The 2020 NEI includes air emissions sources of both criteria and hazardous air pollutants, and data are available for many facilities and county totals. The Emissions Inventory System (EIS) helps the EPA to build the NEI.
2020 NEI Data and Documentation
- 2020 NEI Technical Support Document (TSD)
- Online 2020 NEI Data Retrieval Tool
- 2020 NEI and Trends Report
- Supporting Data and Summaries