AirToxScreen Mapping Tool

Screenshot of mapping tool - Click here to access tool

The AirToxScreen Mapping Tool includes tabs for the 2019, 2018, and 2017 AirToxScreen assessments. Just select the tab for the year and information you want to view. (NOTE: Use caution when comparing different assessment years. See our Frequent Questions for more.)

The AirToxScreen Mapping Tool displays cancer risks, emissions data, and other AirToxScreen data on a map. Users can "zoom" to areas of interest using the map's search tool, select census tracts to see summary level information about risk from air toxics, and view other AirToxScreen data and results.

The current version of the AirToxScreen Mapping Tool includes the following data layers:

total cancer risks for each U.S. census tract
cancer breakdown by pollutant and emissions type
emissions data for point-source sector emissions modeled in AirToxScreen
air toxics monitoring sites with monitoring data

Upcoming updates to the Tool will include

emissions data for all emission sources modeled in AirToxScreen
chronic noncancer hazard indexes
modeled ambient concentrations (tract-level)

You can use the AirToxScreen Mapping Tool on a computer or mobile device.

Please Note: EPA has posted information on this site as a convenience to the site’s users. Although EPA has made every effort to ensure the accuracy of the information posted on this site, users of this site should not rely on information relating to environmental laws and regulations posted on this site. Portal users are solely responsible for ensuring that they are in compliance with all relevant environmental laws and regulations. In addition, EPA cannot attest to the accuracy of data provided by organizations outside of the federal government. By providing data or other information for use and potential display on this site, users acknowledge that they have obtained all necessary permissions and authorizations to do so, in compliance with all applicable statutes and regulations.