State of the Geomagnetic Field 2025

Key Points

• This report aims to analyze the effectiveness of the WMM and WMMHR models released in late 2024.
• Review of the WMM2025 and WMMHR2025 models
• Comparison with previous geomagnetic data
• Evaluation of model performance in various applications
• WMM2025 and WMMHR2025 show improved accuracy over earlier versions
• Enhanced data integration in both models
• Broad applicability in navigation and geoscience studies