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Nitrous oxide (N₂O) in 2019 (global mean)
Annual mean331.88 ppb
vs previous year+0.96 ppb
Rank of increase12 / 24
Max − min within year0.79 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 331.78 ppb | +1.33 |
| Feb | 331.75 ppb | +1.15 |
| Mar | 331.66 ppb | +0.97 |
| Apr | 331.61 ppb | +0.90 |
| May | 331.64 ppb | +0.94 |
| Jun | 331.73 ppb | +1.03 |
| Jul | 331.84 ppb | +1.09 |
| Aug | 331.88 ppb | +1.00 |
| Sep | 331.93 ppb | +0.85 |
| Oct | 332.08 ppb | +0.79 |
| Nov | 332.26 ppb | +0.78 |
| Dec | 332.40 ppb | +0.72 |
+1.15 ppb
+1.08 ppb
+0.78 ppb
+0.79 ppb
+1.17 ppb
+0.96 ppb
+1.13 ppb
+1.28 ppb
+1.34 ppb
+1.07 ppb
+1.03 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.