The Diesel PM indicator is the estimated concentration of Diesel PM as provided by the 2017 Air Toxics update. The value of the indicator is in µg /m3 , and reported at the Census tract level. Block group level values are assigned by repeating each parent tract level value.
The lead paint indicator is the percentage of occupied housing units built before 1960, calculated from the U.S. Census Bureau’s ACS 5-year summary estimates on age of housing stock. EJScreen uses age of housing stock as a surrogate for potential lead exposure as regulations banning lead-based residential paint in 1978 led to the reduction and…
The hazardous waste proximity indicator is reflective of the total count of hazardous waste facilities in each block group within 5 km of the average resident in a block group, divided by distance, calculated as the population-weighted average of blocks in each block group. Hazardous waste facilities are defined as Resource Conservation and Recovery Act…
The PM 2.5 indicator is a measure of potential exposure to inhalable particles that are 2.5 micrometers or smaller. This is measured in terms of annual average concentration in air measured in micrograms per cubic meter. PM 2.5 information included in EJScreen highlights areas across the U.S. that are not meeting the national ambient air…
Data and maps from the 2023 County Health Rankings are now available! Click the map icon to view the rank and underlying data for Premature Death, or search for additional updates by searching the Map Room for the term “CHR 2023”.
This layer displays business vacancy rates and total business vacancies in census tracts across the United States. Vacancy rates are reported quarterly.