Geomagnetic storms in Chicago
Yesterday
Tomorrow
Geomagnetic storms in Chicago now
the Earth's magnetosphere is quiet (Kp = 3.33)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from July 3 to 5, 2026 for mid latitudes
Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Chicago in July 2026
Changes in the maximum daily geomagnetic index Kp in July 2026 for mid latitudes
Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 15
Index F10.7 = 161