From Longman Dictionary of Contemporary Englishbe in the airbe in the aira) if a feeling is in the air, a lot of people feel it at the same time There was a sense of excitement in the air. b) to be going to happen very soon Change is in the air. → air
Examples from the Corpus
be in the air• And something else was in the air.• The smell of Dada's cut grass was in the air.• He is in the Air Force.• Maybe a truce is in the air.• So in a very short time we were in the air. 