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Geomagnetic storms in Portland — August 20, 2025

August 20, 2025
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Maximum Kp index on August 20, 2025

Kp = 3+

Maximum Kp index on August 20, 2025

The Earth's magnetosphere was quiet

Kp = 3+

Geomagnetic storms in Portland on August 20, 2025

Changes in the geomagnetic index Kp from August 18 to 20, 2025 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 August 2025

Changes in the maximum daily geomagnetic index Kp in August 2025 for mid latitudes

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

July 2025 September 2025
Daily Kp index in August 2025
PNG API: JSON | TXT

Geomagnetic activity indices on August 20, 2025

Geomagnetic index Ap 13
Solar radio flux F10.7 120