Geomagnetic storms in San Antonio on March 20, 2026

March 20, 2026

San Antonio change region

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Maximum Kp index on March 20, 2026

Kp = 7

A geomagnetic storm was recorded — level G3

Kp = 7

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

Time zone — UTC−05 — summer time (San Antonio | geographic coordinates — 29.46 N 98.52 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−05 — summer time (San Antonio | geographic coordinates — 29.46 N 98.52 W)

February 2026 April 2026

PNG API: JSON | TXT

Geomagnetic index A_p	34
Solar radio flux F10.7	102