Fine dust has dropped in 10 years, but it's not enough. Italy is far from falling below the (very ambitious) limits for fine particles recommended by the WHO.
PM 10 concentrations dropped by 45% between 2013 and 2022 (-2.1% per year), but in 2022 the daily limit value of national legislation was exceeded in 20% of cases. (HANDLE) . Pollution from fine particles PM10 and PM 2.5 has decreased in Italy in the last ten years.