EJ Screen Ozone

The ozone indicator in EJScreen reflects potential ozone exposure measured in terms of summer seasonal daily average maximum concentrations in an 8-hour period measured in parts per billion. Ozone information included in EJScreen highlights areas across the U.S. that are … Continued

EJ Screen Traffic Proximity

The traffic proximity indicator is based on AADT count divided by distance in meters from the Census block centroid. The proximity score is based on the traffic within a search radius of 500 meters (or further if none is found … Continued

Public Education Expenditures

This layer data from the National Center for Education Statistics (NCES) Common Core of Data (CCD) School District Finance Survey. The survey provides finance data for all local education agencies (LEAs) that provide free public elementary and secondary education in … Continued