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Nitrous oxide (N₂O) in 2011 (global mean)
Annual mean324.22 ppb
vs previous year+1.02 ppb
Rank of increase11 / 24
Max − min within year0.74 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 324.03 ppb | +1.12 |
| Feb | 324.07 ppb | +1.14 |
| Mar | 324.07 ppb | +1.13 |
| Apr | 324.07 ppb | +1.10 |
| May | 324.05 ppb | +1.05 |
| Jun | 324.05 ppb | +1.05 |
| Jul | 324.06 ppb | +1.04 |
| Aug | 324.10 ppb | +1.00 |
| Sep | 324.24 ppb | +0.98 |
| Oct | 324.45 ppb | +0.95 |
| Nov | 324.64 ppb | +0.89 |
| Dec | 324.77 ppb | +0.85 |
+0.91 ppb
+0.62 ppb
+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
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.