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Nitrous oxide (N₂O) in 2023 (global mean)
Annual mean336.69 ppb
vs previous year+1.07 ppb
Rank of increase8 / 24
Max − min within year0.89 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 336.41 ppb | +1.20 |
| Feb | 336.49 ppb | +1.18 |
| Mar | 336.53 ppb | +1.15 |
| Apr | 336.54 ppb | +1.11 |
| May | 336.54 ppb | +1.09 |
| Jun | 336.56 ppb | +1.08 |
| Jul | 336.60 ppb | +1.06 |
| Aug | 336.65 ppb | +1.02 |
| Sep | 336.73 ppb | +0.98 |
| Oct | 336.89 ppb | +0.97 |
| Nov | 337.09 ppb | +0.97 |
| Dec | 337.30 ppb | +1.01 |
+1.17 ppb
+0.96 ppb
+1.13 ppb
+1.28 ppb
+1.34 ppb
+1.07 ppb
+1.03 ppb
+1.14 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.