Geomagnetic storms in Chicago — Feb 04, 2003
Geomagnetic storms in Chicago on Feb 04, 2003
geomagnetic storm was occured — level G1.0 (Kp = 5.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from February 2 to 4, 2003 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 February 2003
Changes in the maximum daily geomagnetic index Kp in February 2003 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 = 24
Index F10.7 = 135