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Air Toxics Screening Assessment

  • 2021 Data Available

    Air toxics emissions and concentration data available here. 

The Air Toxics Screening Assessment (AirToxScreen) is EPA's screening tool that provides communities with information about health risks from air toxics. AirToxScreen provides updated data and risk analyses on an annual basis, helping state, local and tribal air agencies, EPA, and the public more easily identify existing and emerging air toxics issues.


Learn About AirToxScreen

  • Overview
  • Limitations
  • Glossary of Terms
  • Frequent Questions

AirToxScreen 2020

  • 2020 AirToxScreen
  • 2020 Assessment Results
  • AirToxScreen Mapping Tool
  • AirToxScreen Methods

Quick Links

  • Previous air toxics assessments
  • Learn about risk assessments
  • Hazardous Air Pollutants website
  • Ethylene Oxide website
  • Urban Air Toxics website

  •  
Contact Us About Air Toxics Screening Assessment to ask a question, provide feedback, or report a problem.
Last updated on April 29, 2026
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