World Co2 Ppm 2025 Chart. Updated Atmospheric CO2 Concentration Forecast through 2050 and Beyond Iowa Climate Science Monthly comparison of CO2 levels measured by NOAA & Scripps at Mauna Loa. Monthly mean atmospheric carbon dioxide (CO₂) concentrations reached a record high of 426.91 parts per million (ppm) in June 2024.
Updated Atmospheric CO2 Concentration Forecast through 2050 and Beyond Iowa Climate Science from iowaclimate.org
The graphs show monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii Our charts, articles, and data are licensed under CC BY, unless stated otherwise
Updated Atmospheric CO2 Concentration Forecast through 2050 and Beyond Iowa Climate Science
Our charts, articles, and data are licensed under CC BY, unless stated otherwise Monthly mean atmospheric carbon dioxide (CO₂) concentrations reached a record high of 426.91 parts per million (ppm) in June 2024. The mole fraction is expressed as parts per million (ppm)
Evidence Facts Climate Change Vital Signs of the. Our World in Data is a project of Global Change Data Lab, a nonprofit based in the UK (Reg February 2025: 427.09 ppm : February 2024: 424.55 ppm : Last updated: Mar 14, 2025
Global Atmospheric Carbon Dioxide (CO2) Levels Graph. "Average carbon dioxide (CO₂) levels in the atmosphere worldwide from 1959 to 2024 (in parts per million)." Chart Atmospheric carbon dioxide (CO₂) concentration is measured in parts per million (ppm)