An official website of the United States government.

Air Emissions Inventories

Reports and Summaries

For each new release of the National Emission Inventory (NEI), the NEI Report provides an overview of the air pollutant emissions using graphs and tabular summaries.  In addition to these Reports, each new NEI release is used as a basis for updating the national and state emissions trends.  Available reports and summaries are listed in the left panel.