Earth’s Atmosphere Composition: Nitrogen, Oxygen, Argon and CO2
From largest to smallest, Earth’s atmosphere composition contains nitrogen, oxygen, argon, CO2 and trace gases. Water vapor is excluded from this total.
Atmosphere
![What Are the 4 Layers of the Atmosphere? [Infographic]](https://earthhow.com/wp-content/uploads/2017/07/Earth-Atmosphere-Layers-425x319.png)
What Are the 4 Layers of the Atmosphere? [Infographic]
There are 4 primary layers of the atmosphere on Earth: troposphere, stratosphere, mesosphere and thermosphere. The ionosphere and exosphere are above those.