Climate TrendsHome › Greenhouse gases › Sulfur hexafluoride (SF₆)
Sulfur hexafluoride (SF₆) in 1997 (global mean)
Annual mean–partial year
vs previous year–
Rank of increase–
Max − min within year0.10 ppt
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | – | – |
| Feb | – | – |
| Mar | – | – |
| Apr | – | – |
| May | – | – |
| Jun | – | – |
| Jul | 4.00 ppt | – |
| Aug | 4.00 ppt | – |
| Sep | 4.02 ppt | – |
| Oct | 4.05 ppt | – |
| Nov | 4.08 ppt | – |
| Dec | 4.10 ppt | – |
+0.18 ppt
+0.20 ppt
+0.19 ppt
+0.20 ppt
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.