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Nitrous oxide (N₂O) in 2001 (global mean)
Annual mean316.36 ppb
vs previous year–
Rank of increase–
Max − min within year0.76 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 316.30 ppb | – |
| Feb | 316.31 ppb | – |
| Mar | 316.21 ppb | – |
| Apr | 316.12 ppb | – |
| May | 316.11 ppb | – |
| Jun | 316.16 ppb | – |
| Jul | 316.23 ppb | – |
| Aug | 316.30 ppb | – |
| Sep | 316.41 ppb | – |
| Oct | 316.59 ppb | – |
| Nov | 316.76 ppb | – |
| Dec | 316.87 ppb | – |
+0.58 ppb
+0.69 ppb
+0.63 ppb
+0.66 ppb
+0.91 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.