Air Emissions Inventories
Reports and Summaries
- New Interactive 2014 NEI Report
Interactive 2014 NEI report and data exploration tool. Learn more.
- Previous NEI Reports
2008 and 2011 NEI reports in PDFs. Learn more.
- Air Pollutant Emissions Trends Data
Current emissions trends data and documentation of estimation methods. Learn more.
Data and Documentation
- Current and recent NEIs
Comprehensive and detailed estimate of air emissions. Learn more.
- Earlier NEIs
Previous versions of NEI summaries. Learn more.
Data Submission Program
- Air Emissions Reporting Requirement (AERR)
Requires state and local agencies to collect and submit emissions data. Learn more.
- EIS Gateway
Provides access to emissions inventory data. Learn more.
- EIS User's Manual and How To's
Provides short instructions to assist users in submitting and retrieving various types of data from EIS. Learn more.
- EIS Bridge Tools
Tools for developing submission files to EIS. Learn more.
Procedures for loading data into the EIS. Learn more.
Exchange of information from State, Local, Tribes and government agencies. Learn more.
- Emissions Development Tools
Tools and resources used to develop inventories. Learn more.
- Emissions Inventory Guidance
Provides the latest available guidance on developing emission inventories to meet State Implementation Plan (SIP) requirement. Learn more.