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Geomagnetic storms in Chicago — today

October 31, 2026 10:05 PM
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Today

Chicago
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Current geomagnetic Kp index

Kp = 4+

Current geomagnetic Kp index

Geomagnetic disturbances are observed

Kp = 4+

Geomagnetic storms in Chicago today and for three days

Changes in the geomagnetic index Kp for three days for mid latitudes

Time zone — UTC−05 — summer time (Chicago | geographic coordinates — 41.84 N 87.68 W)

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

Geomagnetic storms in Chicago in the current month

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

Time zone — UTC−05 — summer time (Chicago | geographic coordinates — 41.84 N 87.68 W)

September 2026
Daily Kp index in October 2026
PNG API: JSON | TXT

Current Ap and F10.7 index values

Geomagnetic index Ap 39
Solar radio flux F10.7 92