Fact Sheets and Additional Information Regarding the 2006 Particulate Matter (PM) National Ambient Air Quality Standards (NAAQS)

On September 21, 2006, the EPA revised the suite of national ambient air quality standards for particulate matter (PM).

This page contains a fact sheet, a presentation providing an overview of the rule, and graphs and maps pertaining to this action.

For more information, visit the 2006 PM NAAQS page.

• Final Revisions to the National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM) Fact Sheet (pdf) (38.33 KB, September 21, 2006)
• September 2006 Revisions to the National Ambient Air Quality Standards (NAAQS) for Particle Pollution Overview (pdf) (243.52 KB, September 2006)
• September 2006 Revisions to the National Ambient Air Quality Standards (NAAQS) for Particle Pollution Graphs and Maps (pdf) (1.21 MB, September 2006)