Geomagnetic storms in Thunder bay on June 25, 2025

June 25, 2025

Thunder bay change region

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Maximum Kp index on June 25, 2025

Kp = 4+

Geomagnetic disturbances were observed

Kp = 4+

Changes in the geomagnetic index Kp from June 23 to 25, 2025 for mid latitudes

Time zone — UTC−04 — summer time (Thunder bay | geographic coordinates — 48.42 N 89.28 W)

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

Time zone — UTC−04 — summer time (Thunder bay | geographic coordinates — 48.42 N 89.28 W)

May 2025 July 2025

PNG API: JSON | TXT

Geomagnetic index A_p	15
Solar radio flux F10.7	117