Standard Atmosphere Package
As of Version 10.0, standard atmosphere functionality is built into the Wolfram Language »
AtmosphericPlot — plot a specific property as a function of altitude
Properties
CollisionFrequency ▪ DynamicViscosity ▪ GravityAcceleration ▪ KinematicViscosity ▪ KineticTemperature ▪ MeanDensity ▪ MeanFreePath ▪ MeanMolecularWeight ▪ MeanParticleSpeed ▪ NumberDensity ▪ Pressure ▪ PressureScaleHeight ▪ SoundSpeed ▪ ThermalConductivityCoefficient