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Methane (CH₄) in 2026 (global mean)
Annual mean–partial year
vs previous year–
Rank of increase–
Max − min within year3.8 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 1,940.8 ppb | +5.1 |
| Feb | 1,939.5 ppb | +5.1 |
| Mar | 1,937.0 ppb | +3.0 |
| Apr | 1,937.8 ppb | +3.2 |
| May | 1,939.4 ppb | +6.3 |
| Jun | – | – |
| Jul | – | – |
| Aug | – | – |
| Sep | – | – |
| Oct | – | – |
| Nov | – | – |
| Dec | – | – |
+16.0 ppb
+16.2 ppb
+10.4 ppb
+8.0 ppb
+6.5 ppb
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.