Geomagnetic storms in San Jose on May 21, 2026

May 21, 2026

San Jose change region

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Maximum Kp index on May 21, 2026

Kp = 2

The Earth's magnetosphere was quiet

Kp = 2

Changes in the geomagnetic index Kp from May 19 to 21, 2026 for mid latitudes

Time zone — UTC−07 — summer time (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 May 2026 for mid latitudes

Time zone — UTC−07 — summer time (San Jose | geographic coordinates — 37.3 N 121.81 W)

April 2026 June 2026

PNG API: JSON | TXT

Geomagnetic index A_p	7
Solar radio flux F10.7	118