2020 Air Emissions Data
2020 National Emissions Inventory (NEI)
The 2020 NEI includes air emissions sources of criteria air pollutants/precursors (CAPs), hazardous air pollutants (HAPs), and some greenhouse gas (GHGs) data (see FAQ). These data are available for many facilities nationwide, and on a countywide total basis.
2020 NEI and Trends Report
This interactive report provides basic information for the public to learn about and explore the 2020 NEI.
Online Data Retrieval Tool
This tool allows users to filter and download custom lists of facilities and county total emissions data.
Detailed Data, Other Summaries, Data Queries, and Facility Mapping
For advanced users, includes the most detail (large) database files, zipped modeling input files, smaller premade sector summaries, Tier 1 queries, sector queries, and single state point source queries and maps.
Documentation
2020 Nonpoint Wagon Wheel Supporting Data
- 2020 Nonpoint Wagon Wheel
- EIS Augmentation Datasets (including HAP augmentation, PM augmentation, PM speciation, Chromium speciation, HAP Aug profile name xref)
- Wagon Wheel Emission Factor Compendium (xlsx)