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Geomagnetic storms in Anchorage — Dec 04, 2025

Geomagnetic storms in Anchorage on Dec 04, 2025

geomagnetic disturbances were observed (Kp = 4.33)

Geomagnetic storms in the last 3 days

Changes in the geomagnetic index Kp from December 2 to 4, 2025 for mid latitudes

Location — Anchorage (geographic coordinates — 61.22 N -149.88 W | time zone UTC-09)

Changes in the geomagnetic index Kp
This chart in PNG format — high resolution API data: JSON or TXT

Geomagnetic storms in Anchorage in December 2025

Changes in the maximum daily geomagnetic index Kp in December 2025 for mid latitudes

Location — Anchorage (geographic coordinates — 61.22 N -149.88 W | time zone UTC-09)

Changes in the maximum daily geomagnetic index Kp in December 2025
This chart in PNG format — high resolution API data: JSON or TXT

Other activity indices

Index AP = 32

Index F10.7 = 214