Which suburbs of Florence are quiet and safe?


I am moving to Florence soon and I'm trying to decide which area to live in.

I want a neighborhood that's quiet and safe. My kids are all grown up, so I don't need a school or park nearby. The neighborhood should have frequent public transportation to the center of Florence, should be a safe area, and should be quiet - with not a lot of noise from buses, trains, airplanes, etc.

I'm looking for a 2 bedroom apartment. The rent cannot be more than 1100 euros /month. .

Which neighborhoods would you recommend I look into? Thank you very much