Press release 24/2020 from 09.06.2020 | Last changed: 17.06.2020
Air in cities becoming cleaner: number of cities above NO2 limit down by half in 2019
… and Data on Air Smartphone app Air Quality (German) Publications Luftqualität 2019 Documents NO2 - Jahresmittelwerte 2015-2024 Jährliche Auswertung NO2 - 2019 …