Geomagnetic storms in San Jose on February 4, 2026

February 4, 2026

San Jose change region

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Maximum Kp index on February 4, 2026

Kp = 5+

A geomagnetic storm was recorded — level G1

Kp = 5+

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

Time zone — UTC−08 (San Jose | geographic coordinates — 37.3 N 121.81 W)

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PNG API: JSON | TXT

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

Time zone — UTC−08 (San Jose | geographic coordinates — 37.3 N 121.81 W)

January 2026 March 2026

PNG API: JSON | TXT

Geomagnetic index A_p	11
Solar radio flux F10.7	167