In 2022, the 10Italian cities with the highest yearly average concentration of fine particulate matter (PM 2.5) were located in the Po Valley, a heavily industrialized, urbanized, and populated area in the north of the country. The mean annual concentration in Monza exceeded the European target value of 25 micrograms per cubic meter (µg/m3).
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Legambiente, & Il Sole 24 Ore. (October 13, 2023). Average annual concentration of fine particulate matter (PM 2.5) in selected Italian cities in 2022 (in micrograms per cubic meter) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/
Legambiente, und Il Sole 24 Ore. "Average annual concentration of fine particulate matter (PM 2.5) in selected Italian cities in 2022 (in micrograms per cubic meter)." Chart. October 13, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/
Legambiente, Il Sole 24 Ore. (2023). Average annual concentration of fine particulate matter (PM 2.5) in selected Italian cities in 2022 (in micrograms per cubic meter). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/
Legambiente, and Il Sole 24 Ore. "Average Annual Concentration of Fine Particulate Matter (Pm 2.5) in Selected Italian Cities in 2022 (in Micrograms per Cubic Meter)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Oct 2023, /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/
Legambiente & Il Sole 24 Ore, Average annual concentration of fine particulate matter (PM 2.5) in selected Italian cities in 2022 (in micrograms per cubic meter) ÌÇÐÄÆƽâ°æ, /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/ (last visited July 20, 2026)
Average annual concentration of fine particulate matter (PM 2.5) in selected Italian cities in 2022 (in micrograms per cubic meter) [Graph], Legambiente, & Il Sole 24 Ore, October 13, 2023. [Online]. Available: /statistics/1077707/cities-with-highest-fine-particles-concentration-italy/
