National patterns in environmental injustice and inequality: outdoor NO2 air pollution in the United States.

National patterns in environmental injustice and inequality: outdoor NO2 air pollution in the United States.

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We describe spatial patterns in environmental injustice and inequality read more for residential outdoor nitrogen dioxide (NO2) concentrations in the contiguous United States.Our approach employs Census demographic data and a recently published high-resolution dataset of outdoor NO2 concentrations.Nationally, population-weighted mean NO2 concentrations are 4.6 ppb (38%, p2.

5 hours/week of physical activity).Inequality for NO2 concentration is greater than inequality for income (Atkinson Index: 0.11 versus 0.08).

Low-income nonwhite young children and elderly people are disproportionately exposed to residential outdoor NO2.Our findings establish a national context for previous work that has documented air pollution environmental injustice and inequality within individual US metropolitan areas and regions.Results given here can aid policy-makers in identifying locations with high environmental injustice and inequality.For example, states with both high injustice and high inequality (top quintile) for outdoor residential vegas golden knights background NO2 include New York, Michigan, and Wisconsin.