View source for Template:Table composition of dry atmosphere

{| class="wikitable" style="border:2px solid lightgray; text-align:center; font-size:90%;"
|+ Composition of dry atmosphere, by volume<ref name="refname1" group="▽ note"/><ref name="refname2" group="▽ note"/>
|-! style="text-align:center;"
|colspan=2 rowspan=2 | '''Gas''' <small>(and others)</small>
|colspan=2 | Various<ref>Partial sources for figures: Base constituents, [http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html Nasa earth factsheet], (updated 2014-03). Carbon dioxide, [http://www.esrl.noaa.gov/gmd/ccgg/trends/#mlo NOAA Earth System Research Laboratory], (updated 2014-03). Methane and Nitrous Oxide, The NOAA Annual greenhouse gas index(AGGI) [http://www.esrl.noaa.gov/gmd/ccgg/aggi.html Greenhouse gas-Figure 2], (updated 2014-03).</ref>
|colspan=2 | CIPM-2007<ref>A., Picard, R.S., Davis, M., Gläser and K., Fujii (2008), Revised formula for the density of moist air (CIPM-2007), Metrologia 45 (2008) 149–155 doi:10.1088/0026-1394/45/2/004, pg 151 Table 1</ref>
|colspan=2 | ASHRAE<ref>S. Herrmann, H.-J. Kretzschmar, and D.P. Gatley (2009), ASHRAE RP-1485 Final Report Thermodynamic Properties of Real Moist Air,Dry Air, Steam, Water, and Ice pg 16 Table 2.1 and 2.2</ref>
|colspan=2 id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed" | Schlatter<ref>Thomas W. Schlatter (2009), Atmospheric Composition and Vertical Structure pg 15 Table 2</ref>
|colspan=2 id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed" | ICAO<ref>ICAO, Manual of the ICAO Standard Atmosphere (extended to 80 kilometres (262 500 feet)), Doc 7488-CD, Third Edition, (1993), {{ISBN|92-9194-004-6}}. pg E-x Table B</ref>
|colspan=2 id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed" | US StdAtm76<ref>U.S. Committee on Extension to the Standard Atmosphere (COESA) (1976) U.S. Standard Atmosphere, 1976 pg 03 Table 3</ref>
|rowspan=24 class="mw-customtoggle-A" style="vertical-align:center; font-size:110%; color:fff66; background-color:#fff; background-image:linear-gradient(90deg, transparent 79px, #abced4 79px, #abced4 81px, transparent 81px), linear-gradient(#eee .1em, transparent .1em); background-size:100% 1.2em;" | ''<p>▼</p><p> </p><p>Tap</p><p>to</p><p>expand</p><p>or</p><p>collapse</p><p>table</p><p> </p><p>▲</p>''
|-! style="border-bottom:2px solid grey; vertical-align:bottom; text-align:center;"
| ppmv <ref name="refname3" group="▽ note"/> || percentage
| ppmv || percentage
| ppmv || percentage
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| ppmv 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| percentage
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| ppmv 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| percentage
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| ppmv 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| percentage
|-! style="border-top:2px solid grey;"
| [[Nitrogen gas|Nitrogen]]
| [[Nitrogen gas|N<sub>2</sub>]]
| 780,800 || 78.080% || 780,848 || 78.0848% || 780,818 || 78.0818% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 780,840
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 78.084%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 780,840
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 78.084%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 780,840
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 78.084%
|-
| [[Oxygen gas|Oxygen]]
| [[Oxygen gas|O<sub>2</sub>]]
| 209,500 || 20.950% || 209,390|| 20.9390% || 209,435 || 20.9435%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 209,460
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 20.946%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 209,476
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 20.9476%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 209,476
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 20.9476% 
|-
| [[Argon]]
| [[Argon|Ar]]
| 9,340 || 0.9340% || 9,332 || 0.9332% || 9,332 || 0.9332%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 9,340
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.9340%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 9,340
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.9340%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 9,340
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.9340% 
|-
| [[Carbon dioxide]]
| [[Carbon dioxide|CO<sub>2</sub>]]
| 397.8 || 0.03978% || 400 || 0.0400% || 385 || 0.0385%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 384
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0384%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 314
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0314%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 314
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0314% 
|-
| [[Neon]]
| [[Neon|Ne]]
| 18.18 || 0.001818% || 18.2 || 0.00182% || 18.2 || 0.00182%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 18.18
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.001818%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 18.18
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.001818%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 18.18
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.001818%
|-
| [[Helium]]
| [[Helium|He]]
| 5.24 || 0.000524% || 5.2 || 0.00052% || 5.2 || 0.00052%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 5.24
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000524%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 5.24
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000524%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 5.24
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000524%
|-
| [[Methane]]
| [[Methane|CH<sub>4</sub>]]
| 1.81 || 0.000181% || 1.5 || 0.00015% || 1.5 || 0.00015% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1.774 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0001774% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 2 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0002% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 2 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0002% 
|-
| [[Krypton]]
| [[Krypton|Kr]]
| 1.14 || 0.000114% || 1.1 || 0.00011% || 1.1 || 0.00011% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1.14 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000114% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1.14 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000114% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1.14 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000114% 
|-
| [[Hydrogen]]
| [[Hydrogen|H<sub>2</sub>]]
| 0.55 || 0.000055% || 0.5 || 0.00005% || 0.5 || 0.00005% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.56 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000056% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.5 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.00005% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.5 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.00005% 
|-
| [[Nitrous oxide]]
| [[Nitrous oxide|N<sub>2</sub>O]]
| 0.325 || 0.0000325% || 0.3 || 0.00003% || 0.3 || 0.00003% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.320 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0000320% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.5 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.00005% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Carbon monoxide]]
| [[Carbon monoxide|CO]]
| 0.1 || 0.00001% || 0.2|| 0.00002% || 0.2 || 0.00002% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Xenon]]
| [[Xenon|Xe]]
| 0.09 || 0.000009% || 0.1 || 0.00001% || 0.1|| 0.00001% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.09 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.000009% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.087 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0000087% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.087 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.0000087% 
|-
| [[Nitrogen dioxide]]
| [[Nitrogen dioxide|NO<sub>2</sub>]]
| 0.02 || 0.000002% || - || - || - || - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.02 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.000002% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Iodine]]
| [[Iodine|I<sub>2</sub>]]
| 0.01 || 0.000001% || - || - || - || - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.01 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.000001% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Ammonia]]
| [[Ammonia|NH<sub>3</sub>]]
| trace || trace || - || - || - || - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"|  
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"|  
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Sulfur dioxide]]
| [[Sulfur dioxide|SO<sub>2</sub>]]
| trace || trace || - || - || - || - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 1.00 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.0001% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| [[Ozone]]
| [[Ozone|O<sub>3</sub>]]
| 0.02 to 0.07 || 2 to 7{{e|−6}}% || - || - || - || - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 0.01 to 0.10
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1 to 10{{e|−6}}%
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 0.02 to 0.07 <ref name="refname6" group="▽ note"/>
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| {{small|Up to}} 2 to 7{{e|−6}}%  <ref name="refname6" group="▽ note"/>
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-
| Trace to 30{{nbsp}}ppm <ref name="refname5" group="▽ note"/>
| —
| - || - || - || - || 2.9 || 0.00029% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| - 
|-! style="border-top:2px solid grey; background:#efefef; color:fffff6;"
| [[air|'''Dry air total''']]
| [[air|'''air''']]
| 1,000,000  || 100.00% || 1,000,000  || 100.00% || 1,000,000 || 100.00% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1,000,000
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 100.00% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1,000,000 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 100.00% 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 1,000,080 
|id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"| 100.00% 
|-! style="text-align:left; font-size:100%; background:#efefef; color:fffff6;"
|colspan=8! style="text-align:left;"| '''Not included in above dry atmosphere'''
|colspan=6! style="text-align:left;"|
|-! style="text-align:center; font-size:100%; background:#efefef; color:fffff6;"
| [[Water vapor]]
| [[Water vapor|H<sub>2</sub>O]]
! colspan=6 style="text-align:center;"| ~0.25% by mass over full atmosphere, locally 0.001–5% by volume.<ref name="WallaceHobbs">Wallace, John M. and Peter V. Hobbs. Atmospheric Science; ''An Introductory Survey''. Elsevier. Second Edition, 2006. {{ISBN|978-0-12-732951-2}}. Chapter 1</ref>
|colspan=6 id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed" style="text-align:center;"|~0.25% by mass over full atmosphere, locally 0.001–5% by volume.<ref name="WallaceHobbs"></ref>
|-! style="text-align:left; font-size:100%; background:#efefef; color:#ffff6;"
| colspan=8 |
{{glossary}}
{{term|▽ notes}}{{defn|
{{reflist
 | group="▽ note"
 | refs=
<ref name="refname1">Concentration pertains to the troposphere</ref>
<ref name="refname2">Total values may not add up to exactly 100% due to roundoff and uncertainty.</ref>
<ref name="refname3">ppmv: [[parts per million]] by volume. [[Volume fraction]] is equal to [[mole fraction]] for ideal gas only, see [[volume (thermodynamics)#Partial volume|volume (thermodynamics)]].</ref>
<ref name="refname5">Volumetric composition value adjustment factor (sum of all trace gases, below the CO<sub>2</sub>, and adjusts for 30{{nbsp}}ppmv)</ref>
<ref name="refname6">O<sub>3</sub> concentration up to 0.07{{nbsp}}ppmv (7{{e|−6}}%) in summer and up to 0.02{{nbsp}}ppmv (2{{e|−6}}%) in winter.</ref>
}}}}
{{glossary end}}
|colspan=6 id="mw-customcollapsible-A" class="mw-collapsible mw-collapsed"|
|
|}<noinclude>
{{Reflist}}
</noinclude>