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Methane (CH₄) in 2023 (global mean)
Annual mean1,921.5 ppb
vs previous year+10.4 ppb
Rank of increase12 / 41
Max − min within year18.6 ppb
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 1,920.0 ppb | +13.6 |
| Feb | 1,918.9 ppb | +12.5 |
| Mar | 1,918.7 ppb | +10.9 |
| Apr | 1,919.6 ppb | +10.8 |
| May | 1,919.0 ppb | +11.5 |
| Jun | 1,915.0 ppb | +10.2 |
| Jul | 1,912.9 ppb | +8.9 |
| Aug | 1,916.7 ppb | +8.4 |
| Sep | 1,924.4 ppb | +9.4 |
| Oct | 1,930.1 ppb | +10.6 |
| Nov | 1,931.6 ppb | +9.3 |
| Dec | 1,931.2 ppb | +9.0 |
+7.8 ppb
+9.2 ppb
+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.