Geomagnetic storms in Harrisburg — Dec 22, 2021
Geomagnetic storms in Harrisburg on Dec 22, 2021
the Earth's magnetosphere was quiet (Kp = 3.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from December 20 to 22, 2021 for mid latitudes
Location — Harrisburg (geographic coordinates — 40.27 N -76.88 W | time zone UTC-06)

This chart in PNG format — high resolution
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Geomagnetic storms in Harrisburg in December 2021
Changes in the maximum daily geomagnetic index Kp in December 2021 for mid latitudes
Location — Harrisburg (geographic coordinates — 40.27 N -76.88 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 = 140