I have no experience with this in air, but my colleagues use SoundPLAN (https://www.soundplan.eu/en/) for environmentail noise modelling, however this comes with a hefty pricetag. Maybe try out the open-source "noisemodelling" (https://noise-planet.org/noisemodelling.html) With nice user manual here: https://noisemodelling.readthedocs.io/en/latest/Get_Started_GUI.html
Rasmus
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