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Methane (CH₄) in 2025 (global mean)
Annual mean1,936.0 ppb
vs previous year+6.5 ppb
Rank of increase22 / 41
Max − min within year18.3 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 1,935.7 ppb | +7.5 |
| Feb | 1,934.4 ppb | +8.8 |
| Mar | 1,934.0 ppb | +7.2 |
| Apr | 1,934.6 ppb | +6.3 |
| May | 1,933.2 ppb | +7.7 |
| Jun | 1,929.0 ppb | +7.7 |
| Jul | 1,927.2 ppb | +6.8 |
| Aug | 1,931.4 ppb | +6.6 |
| Sep | 1,939.3 ppb | +5.1 |
| Oct | 1,945.1 ppb | +4.4 |
| Nov | 1,945.4 ppb | +5.4 |
| Dec | 1,942.5 ppb | +4.9 |
+12.2 ppb
+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.