I bought N100s years ago but my husband can’t handle those, so I picked up some N95s
Not sure what this means, but putting it out there...
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/1226267582740811777