Geomagnetic storms in Concord — Dec 07, 2025
Geomagnetic storms in Concord on Dec 07, 2025
the Earth's magnetosphere was quiet (Kp = 3.67)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from December 5 to 7, 2025 for mid latitudes
Location — Concord (geographic coordinates — 43.22 N -71.55 W | time zone UTC-05)
This chart in PNG format — high resolution
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Geomagnetic storms in Concord in December 2025
Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes
Location — Concord (geographic coordinates — 43.22 N -71.55 W | time zone UTC-05)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 9
Index F10.7 = 189