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.

The BFD. Map of the day shows a massive release of sulfur dioxide gas from the outskirts of Wuhan, commonly associated with the burning of organic matter. Levels are elevated, even compared with the rest of China.

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