Air Toxics Screening Assessment (AirToxScreen)

 The Air Toxics Screening Assessment (AirToxScreen) is EPA's ongoing review of air toxics in the United States. 

AirToxScreen gives a snapshot of outdoor air quality with respect to emissions of air toxics. It suggests the long-term risks to human health if air toxics emissions are steady over time. AirToxScreen estimates the cancer risks from breathing air toxics over many years. It also estimates chronic noncancer hazards for some pollutants, including diesel particulate matter (PM).  AirToxScreen calculates these air toxics concentrations and risks at the  census tract level. It only includes outdoor sources of pollutants.

You can use AirToxScreen to:

• prioritize pollutants and emission source types;
• identify places of interest for further study;
• get a starting point for local assessments;
• focus community efforts;
• inform monitoring programs.

 AirToxScreen Mapping helps inform and empower citizens to make local decisions about their community’s health.