Air Toxics – Non-Cancer Risk by Census Tract

Layer displays the modeled non-cancer risk associated with air toxics exposure. A hazard index (HI) of 1 or lower means air toxics are unlikely to cause adverse noncancer health effects over a lifetime of exposure.

Population Living Near a Major Grocery Store – Distance

This layer displays the percentage of population who live near a major supermarket or grocery store. Locations of retailers are based on a subset of locations from the April, 2019 USDA directory of SNAP-authorized retailers.

Locations of SNAP-Authorized Retailers

This layer displays the locations of SNAP authorized retailers across the US. Data has been updated to reflect stores accepting SNAP as of April, 2019.

On-Time Graduation Rates, 2016-2017

This layer displays information about the adjusted four-year cohort graduation rate for school-districts and counties in the United States.

FEMA Flood Hazard Zones, 2019

The Flood Hazard Zones are extracted from the National Flood Hazard Layer, which is a database that contains FEMA’s flood hazard map data.