Geomagnetic storms in Indianapolis on December 11, 2025

December 11, 2025

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Maximum Kp index on December 11, 2025

Kp = 5-

Geomagnetic disturbances were observed

Kp = 5-

Changes in the geomagnetic index Kp from December 9 to 11, 2025 for mid latitudes

Time zone — UTC−05 (Indianapolis | geographic coordinates — 39.79 N 86.15 W)

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PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes

Time zone — UTC−05 (Indianapolis | geographic coordinates — 39.79 N 86.15 W)

November 2025 January 2026

PNG API: JSON | TXT

Geomagnetic index A_p	26
Solar radio flux F10.7	146