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Geomagnetic storms in Seattle — March 18, 2026

March 18, 2026
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Maximum Kp index on March 18, 2026

Kp = 2-

Maximum Kp index on March 18, 2026

The Earth's magnetosphere was quiet

Kp = 2-

Geomagnetic storms in Seattle on March 18, 2026

Changes in the geomagnetic index Kp from March 16 to 18, 2026 for mid latitudes

Time zone — UTC−07 — summer time (Seattle | geographic coordinates — 47.62 N 122.35 W)

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

Geomagnetic storms in Seattle in March 2026

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

Time zone — UTC−07 — summer time (Seattle | geographic coordinates — 47.62 N 122.35 W)

February 2026 April 2026
Daily Kp index in March 2026
PNG API: JSON | TXT

Geomagnetic activity indices on March 18, 2026

Geomagnetic index Ap 5
Solar radio flux F10.7 113