Monthly Average CO₂ Concentrations (ppm) from 2021 to 2024

Introduction

Monitoring atmospheric carbon dioxide (CO₂) levels is crucial for understanding climate change. Below is a comparison of monthly average CO₂ concentrations, measured in parts per million (ppm), from 2021 to 2024. This data provides insight into the trends and seasonal variations in CO₂ levels over these years.

Monthly CO₂ Concentrations

Month 2021 2022 2023 2024
January 415.28 417.09 419.45 422.80
February 416.75 418.36 420.81 424.55
March 417.64 419.28 421.72 425.50
April 419.05 420.02 422.45 426.20
May 419.53 420.78 423.22 426.91
June 418.94 420.29 422.69 426.35
July 417.45 418.99 421.36 425.05
August 416.66 418.14 420.58 424.25
September 415.88 417.31 419.77 423.50
October 415.98 417.42 419.89 423.65
November 416.45 417.47 420.46 423.85
December 417.10 418.03 421.02 424.35

Note: Data for 2024 is preliminary and subject to revision.

Data Sources

Conclusion

The data indicates a consistent year-over-year increase in atmospheric CO₂ concentrations from 2021 to 2024. Seasonal fluctuations are evident, with peaks typically occurring in May each year. This upward trend underscores the ongoing challenge of addressing global greenhouse gas emissions and their impact on climate change.

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