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Geomagnetic storms in Madison — April 18, 2026

April 18, 2026
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Maximum Kp index on April 18, 2026

Kp = 6-

Maximum Kp index on April 18, 2026

A geomagnetic storm was recorded — level G1

Kp = 6-

Geomagnetic storms in Madison on April 18, 2026

Changes in the geomagnetic index Kp from April 16 to 18, 2026 for mid latitudes

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

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Geomagnetic index Kp for 3 days
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Geomagnetic storms in Madison in April 2026

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)

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Daily Kp index in April 2026
PNG API: JSON | TXT

Geomagnetic activity indices on April 18, 2026

Geomagnetic index Ap 33
Solar radio flux F10.7 106