Climate TrendsHome › Greenhouse gases › Carbon dioxide (CO₂)
Carbon dioxide (CO₂) in 2020 (global mean)
Annual mean412.44 ppm
vs previous year+2.37 ppm
Rank of increase11 / 46
Max − min within year4.40 ppm
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 412.43 ppm | +2.51 |
| Feb | 412.95 ppm | +2.61 |
| Mar | 413.44 ppm | +2.55 |
| Apr | 413.86 ppm | +2.53 |
| May | 413.81 ppm | +2.47 |
| Jun | 412.88 ppm | +2.35 |
| Jul | 411.17 ppm | +2.29 |
| Aug | 409.74 ppm | +2.09 |
| Sep | 410.00 ppm | +2.08 |
| Oct | 411.66 ppm | +2.22 |
| Nov | 413.25 ppm | +2.38 |
| Dec | 414.14 ppm | +2.38 |
+2.31 ppm
+3.42 ppm
+2.15 ppm
+2.39 ppm
+2.46 ppm
+2.37 ppm
+2.26 ppm
+2.38 ppm
+2.27 ppm
+3.44 ppm
+2.83 ppm
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.