Lower index scores indicate higher environmental quality, and higher index scores indicate lower environmental quality.
The EQI helps researchers better understand how health outcomes relate to cumulative environmental exposures that typically are viewed in isolation. Data is from 2006-2010.
Built Environment Domain Index Analysis using 15 built environment quality variables, including street information, business data, highway safety information, walkability score, green space/open land, and U.S. Census data.
Air Domain Index Analysis using 43 air pollutant variables, including both criteria and hazardous air pollutants.
Land Domain Index Analysis using 18 land quality variables, including pesticides, general agriculture, facility counts, mine data, and radon rankings.
Water Domain Index 51 water quality variables, including water impairment, waste permits, domestic water source, deposition for six pollutants, drought status, 39 chemical contaminants, and one microorganism.
Sociodemographic Domain Index Analysis using 12 sociodemographic variables, including U.S. Census, Economic Resource Service, election results, and crime data.
Overall Environmental Quality Index Presents all data in five domains: sociodemographics, air, water, land, and built environments to provide a county-by-county snapshot of overall environmental quality across all U.S. data provided at the county level.
Data from the Wisconsin Department of Health Services @ https://dhsgis.wi.gov/DHS/EPHTracker/#/all/Environmental%20Justice/environmentalJusticeIndex/NOTRACT/200/1198