Geomagnetic storms in San Francisco on March 4, 2026

March 4, 2026

San Francisco change region

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Maximum Kp index on March 4, 2026

Kp = 2

The Earth's magnetosphere was quiet

Kp = 2

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

Time zone — UTC−08 (San Francisco | geographic coordinates — 37.73 N 123.03 W)

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PNG API: JSON | TXT

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

Time zone — UTC−08 (San Francisco | geographic coordinates — 37.73 N 123.03 W)

February 2026 April 2026

PNG API: JSON | TXT

Geomagnetic index A_p	7
Solar radio flux F10.7	141