I'm not sure, air quality was extremely poor in 18th century Europe. The term smog was coined in 1905 (after more than 100 years of deadly smog) in London. http

I'm not sure, air quality was extremely poor in 18th century Europe. The term smog was coined in 1905 (after more than 100 years of deadly smog) in London. https://www.theguardian.com/science/the-h-word/2016/dec/09/pollution-air-london-smogs-fogs-pea-soupers https://www.theguardian.com/science/the-h-word/2016/dec/09/p...