This is from burning bodies. Look at all the cities showing up on these maps: Data from http://windy.com shows a massive release of sulfur dioxide gas from the outskirts of Wuhan, commonly associated with the burning of organic matters. Levels are elevated, even compared with the rest of China. https://twitter.com/inteldotwav/status/1226270885532852224 https://twitter.com/inteldotwav/status/1226268007661436929 ---- https://twitter.com/kr3at/status/1226251003554598912