Geomagnetic storms in Concord on December 3, 2025

December 3, 2025

Concord change region

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Maximum Kp index on December 3, 2025

Kp = 7-

A geomagnetic storm was recorded — level G2

Kp = 7-

Changes in the geomagnetic index Kp from December 1 to 3, 2025 for mid latitudes

Time zone — UTC−05 (Concord | geographic coordinates — 43.22 N 71.55 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 (Concord | geographic coordinates — 43.22 N 71.55 W)

November 2025 January 2026

PNG API: JSON | TXT

Geomagnetic index A_p	33
Solar radio flux F10.7	209