Geomagnetic storms in Saint Petersburg — Sep 12, 2025
Geomagnetic storms in Saint Petersburg on Sep 12, 2025
the Earth's magnetosphere was quiet (Kp = 3.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from September 10 to 12, 2025 for mid latitudes
Location — Saint Petersburg (geographic coordinates — 59.93 N 30.32 E | time zone UTC+03)
This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Saint Petersburg in September 2025
Changes in the maximum daily geomagnetic index Kp in September 2025 for mid latitudes
Location — Saint Petersburg (geographic coordinates — 59.93 N 30.32 E | time zone UTC+03)
geomagnetic storms in August 2025 (Saint Petersburg)
geomagnetic storms in October 2025 (Saint Petersburg)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 9
Index F10.7 = 116