09.01.2026
In the last decades, emissions of air pollutants from transport decreased. However, road transport remains one of the most significant sources of air pollution. In Slovenia in 2023 road transport contributed 40 % to the total emissions of nitrogen oxides. In the period 1990-2023 emissions of substances that cause acidification and emissions of ozone precursors in transport sector declined by 71 % and 76 %. In the period 2000-2023 emissions of particulate matter decreased by 51 %.