Geomagnetic storms in Pierre
Yesterday
Tomorrow
Geomagnetic storms in Pierre 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 2 to 4, 2026 for mid latitudes
Location — Pierre (geographic coordinates — 44.37 N -100.34 W | time zone UTC-05 - summer time)
This chart in PNG format — high resolution
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Geomagnetic storms in Pierre in July 2026
Changes in the maximum daily geomagnetic index Kp in July 2026 for mid latitudes
Location — Pierre (geographic coordinates — 44.37 N -100.34 W | time zone UTC-05 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 100
Index F10.7 = 187