Press release 04/2021 from 16.02.2021 | Last changed: 29.04.2021
Air quality 2020: Only a few cities still exceed nitrogen dioxide limit
… / Fotolia.com Measured concentrations of nitrogen dioxide (NO2) in 2020 exceeded the annual mean limit of 40 µg/m³ of air at only about 3 to 4 percent of measuring … 2019. Nitrogen dioxide pollution overall continues to decline throughout Germany. These are the results of a preliminary evaluation of measurement data collected by … Germany should be complying since 2010 with the limit value for the protection of human health, which was adopted back in 1999. The fact that newly registered diesel …