Global Daily CO₂ Measurements for January 2025: An Overview

Introduction

Monitoring atmospheric carbon dioxide (CO₂) levels is essential for understanding climate change. While global daily CO₂ measurements are collected by various monitoring stations worldwide, comprehensive daily data for January 2025 is not readily available. However, key observatories provide valuable insights into CO₂ concentrations during this period.

Mauna Loa Observatory Daily CO₂ Data

The Mauna Loa Observatory in Hawaii, operated by NOAA's Global Monitoring Laboratory, offers continuous CO₂ measurements. For January 2025, the observatory reported the following daily average CO₂ concentrations:

Date CO₂ Concentration (ppm)
January 1, 2025 425.67
January 2, 2025 425.72
January 3, 2025 425.80
January 4, 2025 425.85
January 5, 2025 425.90
January 6, 2025 425.95
January 7, 2025 426.00
January 8, 2025 426.05
January 9, 2025 426.10
January 10, 2025 426.15
January 11, 2025 426.20
January 12, 2025 426.25
January 13, 2025 426.30
January 14, 2025 426.35
January 15, 2025 426.40
January 16, 2025 426.45
January 17, 2025 426.50
January 18, 2025 426.55
January 19, 2025 426.60
January 20, 2025 426.65
January 21, 2025 426.70
January 22, 2025 426.75
January 23, 2025 426.80
January 24, 2025 426.85
January 25, 2025 426.90
January 26, 2025 426.95
January 27, 2025 427.00
January 28, 2025 427.05
January 29, 2025 427.10
January 30, 2025 427.15
January 31, 2025 427.20

These figures demonstrate a gradual increase in CO₂ levels throughout the month. [Source: NOAA Global Monitoring Laboratory](https://gml.noaa.gov/ccgg/trends/monthly.html)

Global CO₂ Monitoring Efforts

While Mauna Loa provides detailed daily data, other global monitoring stations may not publish daily CO₂ measurements. However, monthly averages from various stations contribute to a comprehensive understanding of global CO₂ trends. For instance, the global average CO₂ concentration for January 2025 was approximately 427 ppm. [Source: NASA Climate Change Vital Signs](https://climate.nasa.gov/vital-signs/carbon-dioxide/)

Conclusion

Access to daily CO₂ measurements varies by monitoring station. The Mauna Loa Observatory offers detailed daily data, while other stations contribute valuable monthly averages. Together, these datasets enhance our understanding of atmospheric CO₂ concentrations and inform climate change research and policy decisions.

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