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Nitrous oxide (N₂O) in 2002 (global mean)
Annual mean316.94 ppb
vs previous year+0.58 ppb
Rank of increase24 / 24
Max − min within year0.42 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 316.93 ppb | +0.63 |
| Feb | 316.97 ppb | +0.66 |
| Mar | 316.96 ppb | +0.75 |
| Apr | 316.90 ppb | +0.78 |
| May | 316.85 ppb | +0.74 |
| Jun | 316.83 ppb | +0.67 |
| Jul | 316.82 ppb | +0.59 |
| Aug | 316.82 ppb | +0.52 |
| Sep | 316.87 ppb | +0.46 |
| Oct | 316.99 ppb | +0.40 |
| Nov | 317.13 ppb | +0.37 |
| Dec | 317.24 ppb | +0.37 |
+0.58 ppb
+0.69 ppb
+0.63 ppb
+0.66 ppb
+0.91 ppb
+0.62 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.