Synonyms for Fogginess (same or very similar meaning)
WordNet sense 1 (an atmosphere in which visibility is reduced because of a cloud of some substance):
fog, murk, murkinessWordNet sense 2 (the quality of being indistinct and without sharp outlines):
blurriness, fuzziness, indistinctness, softnessFrom the ODE community, based on WordNetadd/edit