Traffic moves along along 99 south in Fresno, Calif., Dec. 28, 2017. Fresno displaced Fairbanks, Alaska as the metropolitan area with the worst short-term particle pollution, a 2022 report by the American Lung Association found, while Bakersfield, Calif., continued in the most-polluted slot for year-round particle pollution for the third year in a row. (John Walker/The Fresno Bee via AP)
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