Geomagnetic storms in Madison on April 11, 2026

April 11, 2026

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Maximum Kp index on April 11, 2026

Kp = 4

Geomagnetic disturbances were observed

Kp = 4

Changes in the geomagnetic index Kp from April 9 to 11, 2026 for mid latitudes

Time zone — UTC−05 — summer time (Madison | geographic coordinates — 43.07 N 89.38 W)

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PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in April 2026 for mid latitudes

Time zone — UTC−05 — summer time (Madison | geographic coordinates — 43.07 N 89.38 W)

March 2026 May 2026

PNG API: JSON | TXT

Geomagnetic index A_p	12
Solar radio flux F10.7	93