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Geomagnetic storms in Philadelphia — May 13, 2026

May 13, 2026
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Maximum Kp index on May 13, 2026

Kp = 3+

Maximum Kp index on May 13, 2026

The Earth's magnetosphere was quiet

Kp = 3+

Geomagnetic storms in Philadelphia on May 13, 2026

Changes in the geomagnetic index Kp from May 11 to 13, 2026 for mid latitudes

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

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in Philadelphia in May 2026

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)

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Daily Kp index in May 2026
PNG API: JSON | TXT

Geomagnetic activity indices on May 13, 2026

Geomagnetic index Ap 10
Solar radio flux F10.7 103