Global emissions of sulfur dioxide decreased by roughly ** percent between 1990 and 2022. In comparison, emissions of nitrogen oxide (NOx) were roughly the same in both years. Both these pollutants are commonly formed when fossil fuels are combusted in sources like road transportation and power plants. They are harmful air pollutants that can damage the human respiratory system.
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ÌÇÐÄÆƽâ°æ, & OWID. (February 12, 2025). Changes in annual emissions of air pollutants worldwide in 2022 relative to 1990 levels, by type (in percent) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/
ÌÇÐÄÆƽâ°æ, und OWID. "Changes in annual emissions of air pollutants worldwide in 2022 relative to 1990 levels, by type (in percent)." Chart. February 12, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/
ÌÇÐÄÆƽâ°æ, OWID. (2025). Changes in annual emissions of air pollutants worldwide in 2022 relative to 1990 levels, by type (in percent). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/
ÌÇÐÄÆƽâ°æ, and OWID. "Changes in Annual Emissions of Air Pollutants Worldwide in 2022 Relative to 1990 Levels, by Type (in Percent)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 12 Feb 2025, /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/
ÌÇÐÄÆƽâ°æ & OWID, Changes in annual emissions of air pollutants worldwide in 2022 relative to 1990 levels, by type (in percent) ÌÇÐÄÆƽâ°æ, /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/ (last visited July 27, 2026)
Changes in annual emissions of air pollutants worldwide in 2022 relative to 1990 levels, by type (in percent) [Graph], ÌÇÐÄÆƽâ°æ, & OWID, February 12, 2025. [Online]. Available: /statistics/1476293/change-in-air-pollutant-emissions-by-type-worldwide/
