Climate TrendsHome › Greenhouse gases › Nitrous oxide (N₂O)
Nitrous oxide (N₂O) in 2012 (global mean)
Annual mean325.06 ppb
vs previous year+0.84 ppb
Rank of increase16 / 24
Max − min within year0.67 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 324.90 ppb | +0.87 |
| Feb | 324.97 ppb | +0.90 |
| Mar | 324.95 ppb | +0.88 |
| Apr | 324.92 ppb | +0.85 |
| May | 324.90 ppb | +0.85 |
| Jun | 324.86 ppb | +0.81 |
| Jul | 324.87 ppb | +0.81 |
| Aug | 324.97 ppb | +0.87 |
| Sep | 325.12 ppb | +0.88 |
| Oct | 325.28 ppb | +0.83 |
| Nov | 325.43 ppb | +0.79 |
| Dec | 325.53 ppb | +0.76 |
+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
+0.79 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.