Climate TrendsHome › Greenhouse gases › Carbon dioxide (CO₂)
Carbon dioxide (CO₂) in 1982 (global mean)
Annual mean340.86 ppm
vs previous year+0.75 ppm
Rank of increase44 / 46
Max − min within year4.41 ppm
By month
| Month | Concentration | vs same month last year |
|---|---|---|
| Jan | 341.36 ppm | +1.18 |
| Feb | 341.95 ppm | +1.20 |
| Mar | 342.23 ppm | +0.85 |
| Apr | 342.52 ppm | +0.84 |
| May | 342.37 ppm | +0.94 |
| Jun | 341.49 ppm | +0.86 |
| Jul | 339.75 ppm | +0.53 |
| Aug | 338.11 ppm | +0.03 |
| Sep | 338.16 ppm | +0.19 |
| Oct | 339.61 ppm | +0.54 |
| Nov | 340.95 ppm | +0.78 |
| Dec | 341.77 ppm | +1.03 |
+2.06 ppm
+1.19 ppm
+0.75 ppm
+1.67 ppm
+1.54 ppm
+1.46 ppm
+1.43 ppm
+1.71 ppm
Bars: yearly increase in the surrounding years. NOAA GML global monthly means.