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Geomagnetic storms in San Francisco — April 27, 2026

April 27, 2026
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Maximum Kp index on April 27, 2026

Kp = 2-

Maximum Kp index on April 27, 2026

The Earth's magnetosphere was quiet

Kp = 2-

Geomagnetic storms in San Francisco on April 27, 2026

Changes in the geomagnetic index Kp from April 25 to 27, 2026 for mid latitudes

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

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in San Francisco in April 2026

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

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

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Daily Kp index in April 2026
PNG API: JSON | TXT

Geomagnetic activity indices on April 27, 2026

Geomagnetic index Ap 6
Solar radio flux F10.7 142