Geomagnetic storms in San Francisco on May 18, 2025

May 18, 2025

San Francisco change region

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Maximum Kp index on May 18, 2025

Kp = 5-

Geomagnetic disturbances were observed

Kp = 5-

Changes in the geomagnetic index Kp from May 16 to 18, 2025 for mid latitudes

Time zone — UTC−07 — summer time (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 May 2025 for mid latitudes

Time zone — UTC−07 — summer time (San Francisco | geographic coordinates — 37.73 N 123.03 W)

April 2025 June 2025

PNG API: JSON | TXT

Geomagnetic index A_p	22
Solar radio flux F10.7	118