# Density of air at different temperatures, at 1 atm pressure # Column 1: temperature in Celsius degrees # Column 2: density in kg/m^3 0.0 999.8425 4.0 999.9750 15.0 999.1026 20.0 998.2071 25.0 997.0479 37.0 993.3316 50.0 988.04 100.0 958.3665 # Source: Wikipedia (keyword Density)