Mapping Health Fragility and Vulnerability in Air Pollution-Monitoring Networks in Dallas-Fort Worth.
Kari Northeim1, Joseph R Oppong2
1Department of Biostatistics and Epidemiology, School of Public Health, University of North Texas Health Sciences Center, 3500 Camp Bowie Blvd, Fort Worth, TX 76104, USA.
International Journal of Environmental Research and Public Health
|February 11, 2023
Summary
Air pollution monitoring may overlook socially vulnerable populations, particularly those in mobile homes. Policy changes are needed to ensure equitable pollution exposure assessment and protection for all communities.
Area of Science:
- Environmental Health Science
- Environmental Justice
- Public Health Policy
Background:
- Environmental air pollution significantly impacts health outcomes and mortality globally.
- Socially vulnerable populations face exacerbated health risks from air pollution due to combined health, socioeconomic, and demographic factors.
- The United States Clean Air Act (CAA) mandates protection for these vulnerable groups.
Purpose of the Study:
- To investigate how air pollution monitor placement strategies and policies may neglect social vulnerabilities.
- To assess the potential underestimation of exposure burdens in vulnerable populations due to current monitoring practices.
- To analyze the association between ozone monitoring coverage and various social vulnerability indicators.
Main Methods:
- Utilized multivariate logistic regression models to examine the relationship between ozone-monitored areas and 15 vulnerability indicators.
- Assessed spatial associations using 10 and 20 km units to determine monitoring coverage.
- Analyzed predictors such as mobile homes, multiunit structures, and English proficiency ('less than well').
Main Results:
- Increased odds of not being in an ozone-monitored area were found for mobile homes (OR = 4.831-8.066).
- Decreased odds of not being in an ozone-monitored area were observed for multiunit structures (OR = 0.130-0.281) and for those speaking English 'less than well' (OR = 0.521).
- These findings suggest current sensor placement may underrepresent exposure in mobile home communities.
Conclusions:
- Existing air pollution sensor coverage inadequately addresses areas with high concentrations of vulnerable populations, particularly in mobile homes.
- Future monitoring placement policies must be revised to correct this imbalance and ensure equitable exposure assessment.
- Addressing these gaps is crucial for fulfilling the Clean Air Act's obligation to protect socially vulnerable populations from environmental pollution.
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