Geomagnetic storms in Annapolis on August 20, 2026

August 20, 2026

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Maximum Kp index on August 20, 2026

Kp = 3+

The Earth's magnetosphere was quiet

Kp = 3+

Changes in the geomagnetic index Kp from August 18 to 20, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Annapolis | geographic coordinates — 38.97 N 76.5 W)

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PNG API: JSON | TXT

Changes in the maximum daily geomagnetic index Kp in August 2026 for mid latitudes

Time zone — UTC−04 — summer time (Annapolis | geographic coordinates — 38.97 N 76.5 W)

July 2026 September 2026

PNG API: JSON | TXT

Geomagnetic index A_p	11
Solar radio flux F10.7	125