Disparities in Ambient Nitrogen Dioxide Pollution in the United States

GEOID: Geographic codes for block groups. pct_female: Percentage of female residents. (%) pct_non_hispanic_white: Percentage of residents who identify as non-Hispanic or non-Latino Whites. (%) pct_non_hispanic_black: Percentage of residents who identify as non-Hispanic or non-Latino Blacks. (%) pct_non_hispanic_asian: Percentage of residents who identify as non-Hispanic or non-Latino Asians. (%) pct_hispanic: Percentage of residents who identify as Hispanic or Latino Americans. (%) pct_age_under_5: Percentage of residents under the age of five. (%) pct_age_over_65: Percentage of residents aged over 65. (%) med_household_income: Median household income of each block group. ($) pct_transport_auto: Percentage of residents who travel by automotive transport. (%) pct_heating_fuel: Percentage of households that burn fossil fuels (including coal, gas tank and wood) for heat. (%) no2: Average NO2 concentrations for each block group. (ppb) pop_dens: Population density for each block group. (people/km2 ) population: Population of each block group. NDVI: The Normalized Difference Vegetation Index. emi_marine: C1, C2 and C3 commercial marine NO2 emissions for US states and offshore areas. emi_oilgas: Oil and gas emissions from point and non-point sources; also includes offshore oil platform emissions. emi_groundtrans: Mobile source NO2 emissions on roadways, railroad and from off-road equipment. emi_nonpt: Nonpoint NO2 emissions not included in other sectors. emi_airport: NO2 emissions at airports. emi_ptegu: Point source electric generating units emissions. emi_ptnonipm: Point source not included in electric generating units, oil and gas stations and airport. KM_cluster_5: Racial/ethnic groups generated by K-means clustering. (High-income Whites, Low-income Whites, Hispanics, Asians and Blacks) High_low_population: High-population areas and low-population areas defined by K-means clustering. Region: The geographic region to which the block group belongs. (New England, Mid-Atlantic, Mid-West, The west, The pacific coast and islands, Southwest, and the South