Geomagnetic storms in Ulyanovsk on October 4, 2025

October 4, 2025

Ulyanovsk change region

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Maximum Kp index on October 4, 2025

Kp = 4

Geomagnetic disturbances were observed

Kp = 4

Changes in the geomagnetic index Kp from October 2 to 4, 2025 for mid latitudes

Time zone — UTC+04 (Ulyanovsk | geographic coordinates — 54.32 N 48.37 E)

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PNG API: JSON | TXT

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

Time zone — UTC+04 (Ulyanovsk | geographic coordinates — 54.32 N 48.37 E)

September 2025 November 2025

PNG API: JSON | TXT

Geomagnetic index A_p	20
Solar radio flux F10.7	158