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Geomagnetic storms in Chicago — February 28, 2026

February 28, 2026
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Maximum Kp index on February 28, 2026

Kp = 3-

Maximum Kp index on February 28, 2026

The Earth's magnetosphere was quiet

Kp = 3-

Geomagnetic storms in Chicago on February 28, 2026

Changes in the geomagnetic index Kp from February 26 to 28, 2026 for mid latitudes

Time zone — UTC−06 (Chicago | geographic coordinates — 41.84 N 87.68 W)

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in Chicago in February 2026

Changes in the maximum daily geomagnetic index Kp in February 2026 for mid latitudes

Time zone — UTC−06 (Chicago | geographic coordinates — 41.84 N 87.68 W)

January 2026 March 2026
Daily Kp index in February 2026
PNG API: JSON | TXT

Geomagnetic activity indices on February 28, 2026

Geomagnetic index Ap 8
Solar radio flux F10.7 141