Atmospheric pressure comparison Location Pressure Olympus Mons summit 0.03 kPa (0.0044 psi) Mars average 0.6 kPa (0.087 psi) Hellas Planitia bottom 1.16 kPa (0.168 psi) Armstrong limit 6.25 kPa (0.906 psi) Mount Everest summit[23] 33.7 kPa (4.89 psi) Earth sea level 101.3 kPa (14.69 psi) Surface of Venus[24] 9,200 kPa (1,330 psi)