Ammonia (NH₃) emissions in the United States totaled **** million tons in 2024. The majority of ammonia emissions originate from agricultural sources. Often, ammonia is the main contributor to acid precipitation and eutrophication.
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Environmental Protection Agency. (April 28, 2025). Annual ammonia (NH₃) emissions in the United States from 2002 to 2024 (in 1,000 tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/501317/volume-of-ammonia-emissions-us/
Environmental Protection Agency. "Annual ammonia (NH₃) emissions in the United States from 2002 to 2024 (in 1,000 tons)." Chart. April 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/501317/volume-of-ammonia-emissions-us/
Environmental Protection Agency. (2025). Annual ammonia (NH₃) emissions in the United States from 2002 to 2024 (in 1,000 tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/501317/volume-of-ammonia-emissions-us/
Environmental Protection Agency. "Annual Ammonia (Nh₃) Emissions in The United States from 2002 to 2024 (in 1,000 Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Apr 2025, /statistics/501317/volume-of-ammonia-emissions-us/
Environmental Protection Agency, Annual ammonia (NH₃) emissions in the United States from 2002 to 2024 (in 1,000 tons) ÌÇÐÄÆƽâ°æ, /statistics/501317/volume-of-ammonia-emissions-us/ (last visited July 23, 2026)
Annual ammonia (NH₃) emissions in the United States from 2002 to 2024 (in 1,000 tons) [Graph], Environmental Protection Agency, April 28, 2025. [Online]. Available: /statistics/501317/volume-of-ammonia-emissions-us/
