This statistic displays the number of elevated smog pollution days that affected public health in U.S. metro areas in 2018. That year, the Riverside-San Bernardino-Ontario area in California experienced 227 days where half or more of the monitoring locations in the area reported elevated ozone and/or fine particulate matter.
Number of elevated air pollution days in the United States in 2018, by select metro area*
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Environment America. (January 28, 2020). Number of elevated air pollution days in the United States in 2018, by select metro area* [Graph]. In Statista. Retrieved November 23, 2024, from https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/
Environment America. "Number of elevated air pollution days in the United States in 2018, by select metro area*." Chart. January 28, 2020. Statista. Accessed November 23, 2024. https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/
Environment America. (2020). Number of elevated air pollution days in the United States in 2018, by select metro area*. Statista. Statista Inc.. Accessed: November 23, 2024. https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/
Environment America. "Number of Elevated Air Pollution Days in The United States in 2018, by Select Metro Area*." Statista, Statista Inc., 28 Jan 2020, https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/
Environment America, Number of elevated air pollution days in the United States in 2018, by select metro area* Statista, https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/ (last visited November 23, 2024)
Number of elevated air pollution days in the United States in 2018, by select metro area* [Graph], Environment America, January 28, 2020. [Online]. Available: https://www.statista.com/statistics/790780/number-of-days-smog-pollution-us-metropolitans/
