Geomagnetic storms in Charleston — Oct 21, 2018
Geomagnetic storms in Charleston on Oct 21, 2018
the Earth's magnetosphere was quiet (Kp = 3.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from October 19 to 21, 2018 for mid latitudes
Location — Charleston (geographic coordinates — 38.35 N -81.63 W | time zone UTC-04 - summer time)

This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Charleston in October 2018
Changes in the maximum daily geomagnetic index Kp in October 2018 for mid latitudes
Location — Charleston (geographic coordinates — 38.35 N -81.63 W | time zone UTC-04 - summer time)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 4
Index F10.7 = 71