Fact Sheets for Ambient Air Monitoring Regulations

This page contains Fact Sheets pertaining to regulatory actions on EPA's ambient air monitoring regulations.

• 2019 Proposed Extension of Start Date for Photochemical Assessment Monitoring Stations - Fact Sheet (pdf) (184.05 KB, 5/23/2019)
• 2016 Final Revisions to Ambient Monitoring Quality Assurance and Other Requirements - Fact Sheet (pdf) (31.69 KB)
• 2015 Final Revisions to the National Ambient Air Quality Standards for Ground Level Ozone – Fact Sheet (pdf) (642.75 KB)
• 2012 Final Revisions to the National Ambient Air Quality Standards for Particle Pollution – Fact Sheet (pdf) (294 KB)
• 2006 Final Revisions to Ambient Monitoring Requirements - Fact Sheet (pdf) (31.23 KB)
• 2006 Final Revisions to the National Ambient Air Quality Standards for Particle Pollution – Fact Sheet (pdf) (38.33 KB)