American Lung Association, Polluted air
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Nearly half of all children in the U.S. live in counties that earned failing grades for at least one measure of air pollution.
The Philadelphia region received an F for bad air quality in an annual report from the American Lung Association.
Ambient air pollution is associated with respiratory infection burden in the first year of life, according to preliminary findings from the Immune Development in Early Life (IDEaL) Rome Cohort. Findings from the cohort were presented during the Pediatric Academic Societies (PAS) 2026 Meeting,