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- Title
Increasing Racial and Ethnic Disparities in Ambient Air Pollution-Attributable Morbidity and Mortality in the United States.
- Authors
Kerr, Gaige Hunter; van Donkelaar, Aaron; Martin, Randall V.; Brauer, Michael; Bukart, Katrin; Wozniak, Sarah; Goldberg, Daniel L.; Anenberg, Susan C.
- Abstract
BACKGROUND: Ambient nitrogen dioxide (NO2) and fine particulate matter with aerodynamic diameter ≤2.5 μm (PM2.5) threaten public health in the US, and systemic racism has led to modern-day disparities in the distribution and associated health impacts of these pollutants. OBJECTIVES: Many studies on environmental injustices related to ambient air pollution focus only on disparities in pollutant concentrations or provide only an assessment of pollution or health disparities at a snapshot in time. In this study, we compare injustices in NO2- and PM2.5-attributable health burdens, considering NO2-attributable health impacts across the entire US; document changing disparities in these health burdens over time (2010– 2019); and evaluate how more stringent air quality standards would reduce disparities in health impacts associated with these pollutants. METHODS: Through a health impact assessment, we quantified census tract-level variations in health outcomes attributable to NO2 and PM2.5 using health impact functions that combine demographic data from the US Census Bureau; two spatially resolved pollutant datasets, which fuse satellite data with physical and statistical models; and epidemiologically derived relative risk estimates and incidence rates from the Global Burden of Disease study. RESULTS: Despite overall decreases in the public health damages associated with NO2 and PM2.5, racial and ethnic relative disparities in NO2-attributable pediatric asthma and PM2.5-attributable premature mortality have widened in the US during the last decade. Racial relative disparities in PM2.5-attributable premature mortality and NO2-attributable pediatric asthma have increased by 16% and 19%, respectively, between 2010 and 2019. Similarly, ethnic relative disparities in PM2.5-attributable premature mortality have increased by 40% and NO2-attributable pediatric asthma by 10%. DISCUSSION: Enacting and attaining more stringent air quality standards for both pollutants could preferentially benefit the most marginalized and minoritized communities by greatly reducing racial and ethnic relative disparities in pollution-attributable health burdens in the US. Our methods provide a semi-observational approach to track changes in disparities in air pollution and associated health burdens across the US.
- Subjects
UNITED States; ASTHMA-related mortality; AIR pollution; MORTALITY; RESEARCH funding; INSTITUTIONAL racism; NITROGEN compounds; EVALUATION of medical care; RELATIVE medical risk; GLOBAL burden of disease; DESCRIPTIVE statistics; RACE; DISEASES; ETIOLOGIC fraction; ENVIRONMENTAL justice; HEALTH equity; PARTICULATE matter; PUBLIC health; CHILDREN
- Publication
Environmental Health Perspectives, 2024, Vol 132, Issue 3, p037002-1
- ISSN
0091-6765
- Publication type
Article
- DOI
10.1289/EHP11900