Climate TrendsGreenhouse gas concentrations
| Gas | Latest | Unit |
|---|---|---|
| Carbon dioxide (CO₂) | 427.62 | ppm |
| Methane (CH₄) | 1,939.4 | ppb |
| Nitrous oxide (N₂O) | 339.82 | ppb |
| Sulfur hexafluoride (SF₆) | 12.70 | ppt |
| Gas | Latest | Unit |
|---|---|---|
| Carbon dioxide (CO₂) | 427.62 | ppm |
| Methane (CH₄) | 1,939.4 | ppb |
| Nitrous oxide (N₂O) | 339.82 | ppb |
| Sulfur hexafluoride (SF₆) | 12.70 | ppt |