KnowraSmogLinked fromLinked fromThe 6 pages that link to Smog, each with the reason it gives.All 6Broader topic 2Related 1Narrower topic 1Compared with 2Air pollutionBroader topic: Smog is a visible pollution episode or mixture, not the full range of air pollution.PortmanteauBroader topic: The word joins “smoke” and “fog” for a hybrid phenomenon.