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Sulfur hexafluoride (SF₆) in 2021 (global mean)
Annual mean10.63 ppt
vs previous year+0.37 ppt
Rank of increase5 / 27
Max − min within year0.36 ppt
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 10.46 ppt | +0.34 |
| Feb | 10.48 ppt | +0.33 |
| Mar | 10.52 ppt | +0.34 |
| Apr | 10.56 ppt | +0.36 |
| May | 10.60 ppt | +0.37 |
| Jun | 10.63 ppt | +0.37 |
| Jul | 10.64 ppt | +0.36 |
| Aug | 10.67 ppt | +0.37 |
| Sep | 10.70 ppt | +0.38 |
| Oct | 10.74 ppt | +0.38 |
| Nov | 10.79 ppt | +0.40 |
| Dec | 10.82 ppt | +0.40 |
+0.33 ppt
+0.35 ppt
+0.35 ppt
+0.34 ppt
+0.32 ppt
+0.37 ppt
+0.38 ppt
+0.39 ppt
+0.40 ppt
+0.44 ppt
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.