🌐EnglishEnglishEspañolItalianoРусский한국어中文日本語EntityQ4566250· pop 6· linked from 38 articles1948 Donora smogMajor Pennsylvania air pollution incidentWikidata factsImageDonora-10-2012-aerial-photo-by-greg-cromer.jpgSources (3)wikidata.orgen.wikipedia.orges.wikipedia.orgvia Wikidata · CC0On the mapAvailable in 6 languagesEspañol中文РусскийItaliano한국어via Wikidata sitelinks · CC0ConnectionsfluorineEntitygeographic coordinate systemEntityCategories1948 in Pennsylvania1948 in the environment1948 natural disasters1948 natural disasters in the United StatesEnvironmental disasters in the United StatesHistory of PittsburghIndustrial accidents and incidents in the United StatesOctober 1948 in the United StatesSmog eventsU.S. Steel