The average annual concentration of particulate matter (PM2.5) pollution in the United States stood at 7.8 micrograms per cubic meter (µg/m3) in 2022. This was slightly above the World Health Organization guideline of five µg/m3. Since 2000, there has been a 42 percent decrease in average annual PM2.5 concentrations.
Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022
(in micrograms per cubic meter)
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Environmental Protection Agency. (November 1, 2023). Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022 (in micrograms per cubic meter) [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/
Environmental Protection Agency. "Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022 (in micrograms per cubic meter)." Chart. November 1, 2023. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/
Environmental Protection Agency. (2023). Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022 (in micrograms per cubic meter). Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/
Environmental Protection Agency. "Average Fine Particulate Matter (Pm2.5) Pollution Levels in The United States from 2000 to 2022 (in Micrograms per Cubic Meter)." Statista, Statista Inc., 1 Nov 2023, https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/
Environmental Protection Agency, Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022 (in micrograms per cubic meter) Statista, https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/ (last visited December 21, 2024)
Average fine particulate matter (PM2.5) pollution levels in the United States from 2000 to 2022 (in micrograms per cubic meter) [Graph], Environmental Protection Agency, November 1, 2023. [Online]. Available: https://www.statista.com/statistics/1137388/united-states-pm25-air-pollution-exposure/
