The United States emitted approximately 1.7 million tons of particulate matter 2.5 (PM2.5) in 2023. Annual PM2.5 emissions in the U.S. have fallen by over 35 percent since the year 2000, though levels have increased in recent years.
PM.25 refers to particulate matter less or equal to 2.5 microns in diameters, and are typically composed of acids, organic chemicals, metals, and soil or dust particles, and are hazardous to human health.
Many of the most polluted cities in the U.S. are located in California, though this is often a result of wildfires.
Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023
(in 1,000 tons)
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Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023
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Environmental Protection Agency. (February 9, 2024). Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023 (in 1,000 tons) [Graph]. In Statista. Retrieved April 03, 2025, from https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/
Environmental Protection Agency. "Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023 (in 1,000 tons)." Chart. February 9, 2024. Statista. Accessed April 03, 2025. https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/
Environmental Protection Agency. (2024). Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023 (in 1,000 tons). Statista. Statista Inc.. Accessed: April 03, 2025. https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/
Environmental Protection Agency. "Annual Pm2.5 Particulate Matter Emissions in The United States from 2000 to 2023 (in 1,000 Tons)." Statista, Statista Inc., 9 Feb 2024, https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/
Environmental Protection Agency, Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023 (in 1,000 tons) Statista, https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/ (last visited April 03, 2025)
Annual PM2.5 particulate matter emissions in the United States from 2000 to 2023 (in 1,000 tons) [Graph], Environmental Protection Agency, February 9, 2024. [Online]. Available: https://www.statista.com/statistics/501298/volume-of-particulate-matter-2-5-emissions-us/
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