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Geomagnetic storms in Boise — April 28, 2026

April 28, 2026
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Maximum Kp index on April 28, 2026

Kp = 1+

Maximum Kp index on April 28, 2026

The Earth's magnetosphere was quiet

Kp = 1+

Geomagnetic storms in Boise on April 28, 2026

Changes in the geomagnetic index Kp from April 26 to 28, 2026 for mid latitudes

Time zone — UTC−06 — summer time (Boise | geographic coordinates — 43.61 N 116.24 W)

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

Geomagnetic storms in Boise in April 2026

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

Time zone — UTC−06 — summer time (Boise | geographic coordinates — 43.61 N 116.24 W)

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

Geomagnetic activity indices on April 28, 2026

Geomagnetic index Ap 3
Solar radio flux F10.7 149