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Global atmospheric nitrous oxide concentration

Atmospheric nitrous oxide (N₂O) concentration is measured in parts per billion (ppb).

Jan 15, 2001Jul 15, 2021May 14, 2006Feb 7, 2009Nov 4, 2011Jul 31, 2014Apr 26, 2017Annually-averagedMonthly-averaged
Jan 15, 2001
Jul 15, 2021