Many different sources are responsible for air pollutant emissions across the United States. Transportation accounted for ** percent of U.S. nitrogen oxides (NOx) emissions in 2024, whereas industrial and other processes emitted the largest share of volatile organic compound (VOC), at about ** percent. Stationary fuel combustion sources – such as power plants – were the primary sources of sulfur dioxide (SO₂) emissions by far.
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ÌÇÐÄÆƽâ°æ. (April 28, 2025). Distribution of air pollutant emissions in the United States in 2024, by source category [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/
ÌÇÐÄÆƽâ°æ. "Distribution of air pollutant emissions in the United States in 2024, by source category." Chart. April 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/
ÌÇÐÄÆƽâ°æ. (2025). Distribution of air pollutant emissions in the United States in 2024, by source category. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/
ÌÇÐÄÆƽâ°æ. "Distribution of Air Pollutant Emissions in The United States in 2024, by Source Category." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Apr 2025, /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/
ÌÇÐÄÆƽâ°æ, Distribution of air pollutant emissions in the United States in 2024, by source category ÌÇÐÄÆƽâ°æ, /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/ (last visited July 29, 2026)
Distribution of air pollutant emissions in the United States in 2024, by source category [Graph], ÌÇÐÄÆƽâ°æ, April 28, 2025. [Online]. Available: /statistics/1356892/air-pollutant-emissions-by-source-in-the-united-states/
