This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2017.
This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2018.
This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2019.
This layer displays the daily average concentration of fine particulate matter and the percentage of days with concetrations of fine particulate matter above the National Ambient Air Quality Standard (NAAQS) of 35.0 micrograms per cubic meter in 2017.
The UST indicator quantifies the relative risk of being affected by a LUST for a block group. The indicator is derived by the weighted sum of active LUSTs and sum of active and temporarily out of service USTs within a … Continued
The Superfund proximity indicator is reflective of the total count of sites proposed and listed (final) on the National Priorities List (NPL) in each block group within 5 km of the average resident in a block group, divided by distance, … Continued
The RMP facility proximity is reflective of the total count of RMP 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 … Continued
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 … Continued
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
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 … Continued