Geomagnetic storms in Chicago — Apr 17, 2025
Geomagnetic storms in Chicago on Apr 17, 2025
geomagnetic disturbances were observed (Kp = 4.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from April 15 to 17, 2025 for mid latitudes
Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-06)

This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Chicago in April 2025
Changes in the maximum daily geomagnetic index Kp in April 2025 for mid latitudes
Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-06)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 11
Index F10.7 = 152