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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Lead Air Pollution

National Ambient Air Quality Standards (NAAQS) for Lead (Pb) Fact Sheets and Additional Information

This page contains a fact sheet on the 2016 decision to retain the existing standards, and also fact sheets and other information related to the setting of the existing standards in 2008.

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