Geomagnetic storms in Thunder bay on March 18, 2026

March 18, 2026

Thunder bay change region

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Maximum Kp index on March 18, 2026

Kp = 2-

The Earth's magnetosphere was quiet

Kp = 2-

Changes in the geomagnetic index Kp from March 16 to 18, 2026 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 March 2026 for mid latitudes

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

February 2026 April 2026

PNG API: JSON | TXT

Geomagnetic index A_p	5
Solar radio flux F10.7	113