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Geomagnetic storms in Portland — September 13, 2026

September 13, 2026
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Maximum Kp index on September 13, 2026

Kp = 2+

Maximum Kp index on September 13, 2026

The Earth's magnetosphere was quiet

Kp = 2+

Geomagnetic storms in Portland on September 13, 2026

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

Time zone — UTC−07 — summer time (Portland | geographic coordinates — 45.54 N 122.65 W)

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

Geomagnetic storms in Portland in September 2026

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

Time zone — UTC−07 — summer time (Portland | geographic coordinates — 45.54 N 122.65 W)

August 2026
Daily Kp index in September 2026
PNG API: JSON | TXT

Geomagnetic activity indices on September 13, 2026

Geomagnetic index Ap 6
Solar radio flux F10.7 114