No matter where on this earth you are, asbestos fibers can be detected in the air. I wouldn’t worry about a roof nearby because of that. You wouldn’t believe how much invisible asbestos, PCB, dioxins, formaldehyde, etc. are still circulating in older materials. The latter is still very widespread today, just in lower concentrations. Activate a formaldehyde test strip from Draeger next to your sofa. You’ll want to throw the good piece out the window afterward ;-)
Where do you start, where do you stop?
Sooner or later, these roofs will be renovated as well and you won’t have to worry anymore.
We coordinated our demolition (prefabricated house from the 70s) with the neighbors and the environmental agency. Everything went smoothly, no one was harmed, and everyone is happy.