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Due to a lapse in appropriations, EPA websites will not be regularly updated. In the event of an environmental emergency imminently threatening the safety of human life or where necessary to protect certain property, the EPA website will be updated with appropriate information. Please note that all information on the EPA website may not be up to date, and transactions and inquiries submitted to the EPA website may not be processed or responded to until appropriations are enacted.

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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.