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Nitrous oxide (N₂O) in 2013 (global mean)
Annual mean325.95 ppb
vs previous year+0.89 ppb
Rank of increase15 / 24
Max − min within year0.94 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 325.58 ppb | +0.68 |
| Feb | 325.63 ppb | +0.66 |
| Mar | 325.68 ppb | +0.73 |
| Apr | 325.74 ppb | +0.82 |
| May | 325.81 ppb | +0.91 |
| Jun | 325.90 ppb | +1.04 |
| Jul | 325.96 ppb | +1.09 |
| Aug | 325.98 ppb | +1.01 |
| Sep | 326.05 ppb | +0.93 |
| Oct | 326.20 ppb | +0.92 |
| Nov | 326.38 ppb | +0.95 |
| Dec | 326.52 ppb | +0.99 |
+1.06 ppb
+0.77 ppb
+0.91 ppb
+1.02 ppb
+0.84 ppb
+0.89 ppb
+1.15 ppb
+1.08 ppb
+0.78 ppb
+0.79 ppb
+1.17 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.