Press release 05/2020 from 11.02.2020 | Last changed: 19.02.2020
Air quality 2019: Trend in NO2 decline continues
… The Federal government, states and local authorities which have invested so much in cleaner air will see their success reflected in the low levels of air pollution. It … a while ago with the limit values in cities had older diesel passenger cars been cleaner both on the test bench and under real road conditions. One thing is clear: having fewer cars on the roads in our cities is the best guarantee for cleaner air.” The decline in average NO2 concentrations of about three micrograms …