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Geomagnetic storms in Detroit — July 21, 2025

July 21, 2025
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Maximum Kp index on July 21, 2025

Kp = 2

Maximum Kp index on July 21, 2025

The Earth's magnetosphere was quiet

Kp = 2

Geomagnetic storms in Detroit on July 21, 2025

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

Time zone — UTC−04 — summer time (Detroit | geographic coordinates — 42.38 N 83.1 W)

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Geomagnetic index Kp for 3 days
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Geomagnetic storms in Detroit in July 2025

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

Time zone — UTC−04 — summer time (Detroit | geographic coordinates — 42.38 N 83.1 W)

June 2025 August 2025
Daily Kp index in July 2025
PNG API: JSON | TXT

Geomagnetic activity indices on July 21, 2025

Geomagnetic index Ap 4
Solar radio flux F10.7 143