Solar wind — December 31, 2025
Solar wind speed
469 km/s
normal (average for 24 hours)
Dynamics for the Dec 30, 2025 and Dec 31, 2025 using ACE spacecraft data

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Solar wind density
2.6 cm-3
normal (average for 24 hours)
Dynamics for the Dec 30, 2025 and Dec 31, 2025 using ACE spacecraft data

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Solar wind temperature
127 000 K
increased (average for 24 hours)
Dynamics for the Dec 30, 2025 and Dec 31, 2025 using ACE spacecraft data

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Interplanetary magnetic field induction
8.4 nT
normal (average for 24 hours)
Dynamics for the Dec 30, 2025 and Dec 31, 2025 using ACE spacecraft data

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Component Bz of the interplanetary magnetic field
+0.7 nT
positive (average for 24 hours)
Dynamics for the Dec 30, 2025 and Dec 31, 2025 using ACE spacecraft data

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