Wetter-Apps warnen: Schlechte Luftqualität in Ulm – was steckt dahinter?
Wetter-Apps warnenHintergrundAb Mittwochnachmittag wird es deutlich kälter. Bis dahin sollten vor allem Menschen mit Vorerkrankungen aufpassen. Warum ist die Luftqualität so schlecht?
Im Winter ein gewohntes Bild: Der Turm des Ulmer Münsters wird vom Nebel verhüllt. (Archivbild)
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