Geomagnetic storms in Portland on September 22, 2026

September 22, 2026

Portland change region

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Maximum Kp index on September 22, 2026

Kp = 1-

The Earth's magnetosphere was quiet

Kp = 1-

Changes in the geomagnetic index Kp from September 20 to 22, 2026 for mid latitudes

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

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PNG API: JSON | TXT

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

PNG API: JSON | TXT

Geomagnetic index A_p	3
Solar radio flux F10.7	118