Material/Constituent elements of air
From AdCiv
Approximate composition of dry atmosphere by volume:
Element | % vol |
---|---|
Nitrogen ![]() |
78.08 |
Oxygen ![]() |
20.95 |
Argon ![]() |
0.93 |
Carbon ![]() |
< 0.01 |
Others ![]() |
trace |
Not included in above dry atmosphere: | |
Water vapour ![]() |
~1% |
Source: NASA
Carbon dioxide updated (to 1998) by IPCC TAR table 6.1 [1]. Figure for carbon extrapolated from this
Edited text from [2]