This is the 12308th most frequent German word.
verschlechterung
Deterioration or worsening.
The word 'Verschlechterung' is used here as a noun that refers to the worsening condition or decline in quality, specifically relating to air quality.
Die Verschlechterung der Luftqualität beunruhigt viele Menschen.
The deterioration of air quality worries many people.
Here, 'Verschlechterung' is used in a general context to describe a decline or negative turn in the situation.
Eine Verschlechterung der Situation könnte schwere Konsequenzen haben.
A worsening of the situation could have severe consequences.
In this sentence, 'Verschlechterung' is employed to convey a considerable decline, particularly in an economic context.