Geomagnetic storms in San Antonio on September 30, 2025

September 30, 2025

San Antonio change region

Home › Geomagnetic storms › San Antonio › September 30, 2025

Maximum Kp index on September 30, 2025

Kp = 7+

A geomagnetic storm was recorded — level G3

Kp = 7+

Changes in the geomagnetic index Kp from September 28 to 30, 2025 for mid latitudes

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

prev 3 days next 3 days

PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in September 2025 for mid latitudes

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

August 2025 October 2025

PNG API: JSON | TXT

Geomagnetic index A_p	15
Solar radio flux F10.7	187