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How much carbon dioxide is in the air in percentage?

In: Biology, Chemistry, Environmental Issues [Edit categories]

Answer:

The air that we breathe in has roughly 0.04% of carbon dioxide. There is 21% of oxygen and 78% of nitrogen.

First answer by Babdar. Last edit by Babdar. Contributor trust: 1 [recommend contributor ]. Question popularity: 2 [recommend question].

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What percentage of the air is carbon dioxide?
0.04 % of the air is carbon dioxide
What percentage of the air is carbon-dioxide?
In 2011 Carbon dioxide is present in the Earth's atmosphere at about 385 parts per million by volume or 582 parts per million by mass. It is usually stated in ppm to reduce decimal and "0" confusion....
Too much carbon dioxide in the air?
around 0.4%
What percentage of the air was carbon-dioxide in 1965?
Roughly 318 ppm (parts per million), or 0.0318% compared to 392 ppm currently (March 2011).
What is the normal percentage of carbon dioxide in the air?
0.039% is the amount in the earth's atmosphere. What is "normal" though is certainly an interesting question. Last March the atmosphere is said to have contained 0.0391% CO2. Currently we are...