Press release 06/2023 from 13.02.2023 | Last changed: 29.03.2023
Germany complied with air quality limit values nearly everywhere in 2022
… | 13.02.2023 Nitrogen dioxide: Three cities exceeded the NO 2 limit value in 2021. That number is expected to fall to only two in 2022. Following evaluation of … decline in 2022, although the mean annual average was only slightly below the 2021 value. The main source of nitrogen oxides in urban areas is road traffic and …