Particulate matter pollution from road transportation in the United Kingdom has fallen considerably in recent decades. PM2.5 emissions totaled * metric tons in 2023 compared to * in 2000. Emissions of both PM2.5 and PM10 experienced a notable decrease in 2020 due to travel restrictions brought on by the outbreak of COVID-19. Road transportation is a major source of UK PM2.5 emissions.
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Defra. (March 13, 2025). Road transportation PM10 and PM2.5 emissions in the United Kingdom (UK) from 1990 to 2023 (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 24, 2026, from /statistics/1232926/road-transport-particulate-matter-emissions-uk/
Defra. "Road transportation PM10 and PM2.5 emissions in the United Kingdom (UK) from 1990 to 2023 (in 1,000 metric tons)." Chart. March 13, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 24, 2026. /statistics/1232926/road-transport-particulate-matter-emissions-uk/
Defra. (2025). Road transportation PM10 and PM2.5 emissions in the United Kingdom (UK) from 1990 to 2023 (in 1,000 metric tons). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 24, 2026. /statistics/1232926/road-transport-particulate-matter-emissions-uk/
Defra. "Road Transportation Pm10 and Pm2.5 Emissions in The United Kingdom (Uk) from 1990 to 2023 (in 1,000 Metric Tons)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 13 Mar 2025, /statistics/1232926/road-transport-particulate-matter-emissions-uk/
Defra, Road transportation PM10 and PM2.5 emissions in the United Kingdom (UK) from 1990 to 2023 (in 1,000 metric tons) ÌÇÐÄÆÆ½â°æ, /statistics/1232926/road-transport-particulate-matter-emissions-uk/ (last visited July 24, 2026)
Road transportation PM10 and PM2.5 emissions in the United Kingdom (UK) from 1990 to 2023 (in 1,000 metric tons) [Graph], Defra, March 13, 2025. [Online]. Available: /statistics/1232926/road-transport-particulate-matter-emissions-uk/