The numbers of deaths attributable to air pollution in a given year includes deaths that have likely occurred months or even years earlier than might be expected in the absence of air pollution (as in the case of a child dying from a lower-respiratory infection). Release date has been set as date of site access
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Deaths attributable to air pollution in the United States 1990-2021
An estimated * deaths were attributable to air pollution in the United States in 2021. The annual number of deaths attributable to air pollution in the United States has dropped significantly since 1990. The decline in deaths has coincided with improved air quality, with PM2.5 levels in the U.S. falling more than ** percent since the turn of the century.Â
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Health Effects Institute. (July 11, 2024). Number of deaths attributable to air pollution in the United States from 1990 to 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1137375/air-pollution-deaths-united-states/
Health Effects Institute. "Number of deaths attributable to air pollution in the United States from 1990 to 2021." Chart. July 11, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1137375/air-pollution-deaths-united-states/
Health Effects Institute. (2024). Number of deaths attributable to air pollution in the United States from 1990 to 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1137375/air-pollution-deaths-united-states/
Health Effects Institute. "Number of Deaths Attributable to Air Pollution in The United States from 1990 to 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Jul 2024, /statistics/1137375/air-pollution-deaths-united-states/
Health Effects Institute, Number of deaths attributable to air pollution in the United States from 1990 to 2021 ÌÇÐÄÆƽâ°æ, /statistics/1137375/air-pollution-deaths-united-states/ (last visited July 28, 2026)
Number of deaths attributable to air pollution in the United States from 1990 to 2021 [Graph], Health Effects Institute, July 11, 2024. [Online]. Available: /statistics/1137375/air-pollution-deaths-united-states/
