FEMA National Risk Index, 2023

This layer displays the FEMA National Risk Index score, rating and national and state percentiles for each county and Census tract. These are measures of risks U.S. communities are exposed to for 18 natural hazards. Data was obtained from the … Continued

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.

Net Population Migration (Gain or Loss), 2011-2021

This layer displays the net migration rate for United States counties between 2010 and 2020. Net migration is the balance of immigration and emigration over a given time period. Net migration does not include natural change, or change due to … Continued