Crossword clues for Some urban air 4 lettersAnswerClueSMOGSome urban airSMOGComponent of urban airSMOGUrban air problemSMOGUrban air hazardSMOGUrban air pollutionSMOGUrban "air."SMOGUrban air concernSMAZEUrban air problemSMAZEUrban air pollutionSOOTYDescribing urban air.SMAZEThick urban air conditionSMAZEUrban air-pollution portmanteau