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10 Worst US Cities For Air Pollution - Videos from The Weather Channel

10 Worst US Cities For Air Pollution

September 25, 2025

Nearly 156 million Americans—including those in Bakersfield, Fresno, Visalia, Los Angeles, San Francisco, Detroit, Cleveland, Houston, Fairbanks, and Eugene—are now living with dangerous levels of air pollution, according to the State of the Air 2025 report. The American Lung Association warns that extreme wildfires, drought, and rising heat are driving year-round particle pollution to record highs, putting millions at greater risk for lung disease, heart issues, and early death.