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Geomagnetic storms in Helena — March 15, 2026

March 15, 2026
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Maximum Kp index on March 15, 2026

Kp = 4

Maximum Kp index on March 15, 2026

Geomagnetic disturbances were observed

Kp = 4

Geomagnetic storms in Helena on March 15, 2026

Changes in the geomagnetic index Kp from March 13 to 15, 2026 for mid latitudes

Time zone — UTC−06 — summer time (Helena | geographic coordinates — 46.6 N 112.03 W)

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in Helena in March 2026

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

Time zone — UTC−06 — summer time (Helena | geographic coordinates — 46.6 N 112.03 W)

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

Geomagnetic activity indices on March 15, 2026

Geomagnetic index Ap 17
Solar radio flux F10.7 109