Geomagnetic storms in Moscow on September 21, 2025

September 21, 2025

Moscow change region

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Maximum Kp index on September 21, 2025

Kp = 2

The Earth's magnetosphere was quiet

Kp = 2

Changes in the geomagnetic index Kp from September 19 to 21, 2025 for mid latitudes

Time zone — UTC+03 (Moscow | geographic coordinates — 55.75 N 37.62 E)

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PNG API: JSON | TXT

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

Time zone — UTC+03 (Moscow | geographic coordinates — 55.75 N 37.62 E)

August 2025 October 2025

PNG API: JSON | TXT

Geomagnetic index A_p	6
Solar radio flux F10.7	176