For comparison, extracting the numbers from the graphic in page 3 of https://projects.iq.harvard.edu/files/acmg/files/intro_atmo_chem_bookchap2.pdf https://proj

For comparison, extracting the numbers from the graphic in page 3 of https://projects.iq.harvard.edu/files/acmg/files/intro_atmo_chem_bookchap2.pdf https://projects.iq.harvard.edu/files/acmg/files/intro_atmo_... 1 microbar on Earth is like 50Km, that is 50/6400 ~= 0.8%