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    Chemical Composition of Air
    Chemical Composition of Air
    Name
    Symbol
    % by Volume
    Nitrogen
    N2
    78.084
    Oxygen
    O2
    20.9476
    Argon
    Ar
    00.934
    Carbon Dioxide
    CO2
    00.0314
    Neon Ne
    00.001818
    Methane CH4
    00.0002
    Helium He
    00.000524
    Krypton Kr
    00.000114
    Hydrogen H2
    00.00005
    Xenon Xe
    00.0000087
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    Air Quality

    Air Quality Index

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