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Geomagnetic storms in Helena — May 17, 2026

May 17, 2026
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Maximum Kp index on May 17, 2026

Kp = 2+

Maximum Kp index on May 17, 2026

The Earth's magnetosphere was quiet

Kp = 2+

Geomagnetic storms in Helena on May 17, 2026

Changes in the geomagnetic index Kp from May 15 to 17, 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
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Geomagnetic storms in Helena in May 2026

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

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

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

Geomagnetic activity indices on May 17, 2026

Geomagnetic index Ap 8
Solar radio flux F10.7 104