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flag U.S. air pollution dropped 22% in major cities since 2016 due to cleaner vehicles and energy, with EPA planning stronger rules by 2028.

flag A new federal study released on January 18, 2026, finds that air pollution levels in major U.S. cities have dropped significantly over the past decade, with particulate matter concentrations falling by 22% on average. flag The report attributes the improvement to stricter emissions regulations, increased use of electric vehicles, and expanded renewable energy adoption. flag Experts say the progress could prevent thousands of premature deaths annually, though disparities remain in low-income and rural communities. flag The Environmental Protection Agency announced plans to strengthen current standards by 2028.

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