As far as the health affects/ smell/ damage to the property,  it is a different product than cigarette tobacco, and is unlikely to linger or create any damaging issues once the upstairs tenant is removed. 

Is there some sort of aerosol disinfectant that should be sprayed? 

Big burly guys that drive jacked up 4x4s, have neck tats and chew tobacco for breakfast.

As more information comes out about COVID and aerosols, I wanted to start a thread about what landlords are doing to update HVAC systems, if anything, to make sure airflow in buildings is up to par.

Rose Hill is an old tobacco town that mainly does agriculture and hog farming now.

I just couldn't get used to chewing tobacco and cotton fields.

We have just finished rehabbing an apartment, electrical wiring, plumbing, paint, furniture, everything new.The FIRST vacation rental (Airbnb) host the we received just left and it smelled tobacco like crazy.We made it very clear it was a non-smoking apartment...I will report to Airbnb this situation, however, would like to hear what do you guys think of this

They are not newcomers have been at it a long time.The stigma surrounding cigarettes makes those larger tobacco makers want to look into buying up small to medium operators.The right operators are making tons of money in those businesses.

If it's important to you, I'd call it out and say: no smoking of any substance, which includes, but is not limited to tobacco and marijuana.

Although maybe I would also spread it around a bit and add some big dividend Oils, say RSD.b as well as some Big Tobaccos to the mix.