Geomagnetic storms in Sofia — Dec 15, 2016
Geomagnetic storms in Sofia on Dec 15, 2016
the Earth's magnetosphere was quiet (Kp = 1.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from December 13 to 15, 2016 for mid latitudes
Location — Sofia (geographic coordinates — 42.68 N 23.32 E | time zone UTC+02)

This chart in PNG format — high resolution
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Geomagnetic storms in Sofia in December 2016
Changes in the maximum daily geomagnetic index Kp in December 2016 for mid latitudes
Location — Sofia (geographic coordinates — 42.68 N 23.32 E | time zone UTC+02)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 3
Index F10.7 = 73