Air Properties

Air density is calculated with the CIPM 91 method. Open and free code.

Inputs to the calculation are pressure, temperature and relative humidity.

Output are Air density, Vapor pressure, Compressibility Factor, Viscosity and Speed of Sound

You find the algorithm details in this link

http://www.basicairdata.eu/air-properties.html

Main reference site

http://www.basicairdata.eu/android-air-properties.html

Free source online available

https://github.com/BasicAirData/AirProperties