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    Earth science

    What’s in the atmosphere?

    Explore the layers of air wrapped around our planet, from the weather beneath our feet to the edge of space.

    Choose a layer

    The layers are shown from Earth’s surface upward.

    Layer spotlight

    Troposphere

    Altitude
    0-12 km
    Temperature
    15°C average at sea level

    The lowest layer is where we live and breathe. Almost all weather, clouds, and atmospheric water are found here.

    • We live here
    • Nearly all weather happens here

    Educational content adapted from NASA Space Place’s atmosphere lesson.