Geomagnetic storms in San Diego on July 20, 2026

July 20, 2026

San Diego change region

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Maximum Kp index on July 20, 2026

Kp = 3

The Earth's magnetosphere was quiet

Kp = 3

Changes in the geomagnetic index Kp from July 18 to 20, 2026 for mid latitudes

Time zone — UTC−07 — summer time (San Diego | geographic coordinates — 32.81 N 117.14 W)

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PNG API: JSON | TXT

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

Time zone — UTC−07 — summer time (San Diego | geographic coordinates — 32.81 N 117.14 W)

June 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	137