대기질 예보
대기질 데이터 제공: Luftqualität in Schleswig-Holstein (schleswig-holstein.de) and the European Environment Agency (eea.europa.eu) and the Umweltbundesamt | Für Mensch und Umwelt (umweltbundesamt.de)
Note that the measurement for O3 (ozone) are taken from the station: Eggebek, Schleswig-Holstein