Geomagnetic storms in Hartford on June 21, 2025

June 21, 2025

Hartford change region

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Maximum Kp index on June 21, 2025

Kp = 4-

The Earth's magnetosphere was quiet

Kp = 4-

Changes in the geomagnetic index Kp from June 19 to 21, 2025 for mid latitudes

Time zone — UTC−04 — summer time (Hartford | geographic coordinates — 41.77 N 72.68 W)

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PNG API: JSON | TXT

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

Time zone — UTC−04 — summer time (Hartford | geographic coordinates — 41.77 N 72.68 W)

May 2025 July 2025

PNG API: JSON | TXT

Geomagnetic index A_p	12
Solar radio flux F10.7	120