Northern Italy is a valley that tends to have very high levels of nitrogen dioxide and other air pollutants [0]. Similarly, Wuhan China has poor air quality, in

Northern Italy is a valley that tends to have very high levels of nitrogen dioxide and other air pollutants [0]. Similarly, Wuhan China has poor air quality, incinerates most its garbage, and recently vaporized a whole lot of pigs (+/- 1million?) due to swine flu. [0] http://www.esa.int/ESA_Multimedia/Videos/2020/03/Coronavirus_nitrogen_dioxide_emissions_drop_over_Italy http://www.esa.int/ESA_Multimedia/Videos/2020/03/Coronavirus...