Geomagnetic storms in Helena on May 4, 2026

May 4, 2026

Helena change region

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Maximum Kp index on May 4, 2026

Kp = 6+

A geomagnetic storm was recorded — level G2

Kp = 6+

Changes in the geomagnetic index Kp from May 2 to 4, 2026 for mid latitudes

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

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PNG API: JSON | TXT

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)

April 2026 June 2026

PNG API: JSON | TXT

Geomagnetic index A_p	26
Solar radio flux F10.7	138