Press release 05/2020 from 11.02.2020 | Last changed: 19.02.2020
Air quality 2019: Trend in NO2 decline continues
… Air quality 2019: Trend in NO2 decline continues A number of cities still exceeding … Source: C Kara / Fotolia.com Measured concentrations of nitrogen dioxide (NO2) in 2019 exceeded the annual mean limit of 40 µg/m³ of air at nearly 20 percent of … 2018. Nitrogen dioxide pollution overall continues to decline throughout Germany. … Air quality 2019: Trend in NO2 decline continues …