Geomagnetic storms in Boston on March 12, 2026

March 12, 2026

Boston change region

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Maximum Kp index on March 12, 2026

Kp = 4

Geomagnetic disturbances were observed

Kp = 4

Changes in the geomagnetic index Kp from March 10 to 12, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Boston | geographic coordinates — 42.24 N 71.03 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−04 — summer time (Boston | geographic coordinates — 42.24 N 71.03 W)

February 2026 April 2026

PNG API: JSON | TXT

Geomagnetic index A_p	8
Solar radio flux F10.7	121