Geomagnetic storms in Philadelphia on May 9, 2026

May 9, 2026

Philadelphia change region

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Maximum Kp index on May 9, 2026

Kp = 2-

The Earth's magnetosphere was quiet

Kp = 2-

Changes in the geomagnetic index Kp from May 7 to 9, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Philadelphia | geographic coordinates — 40.01 N 75.13 W)

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

Time zone — UTC−04 — summer time (Philadelphia | geographic coordinates — 40.01 N 75.13 W)

April 2026 June 2026

PNG API: JSON | TXT

Geomagnetic index A_p	5
Solar radio flux F10.7	122