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Geomagnetic storms in Phoenix — July 21, 2026

July 21, 2026
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Maximum Kp index on July 21, 2026

Kp = 4-

Maximum Kp index on July 21, 2026

The Earth's magnetosphere was quiet

Kp = 4-

Geomagnetic storms in Phoenix on July 21, 2026

Changes in the geomagnetic index Kp from July 19 to 21, 2026 for mid latitudes

Time zone — UTC−07 (Phoenix | geographic coordinates — 33.45 N 112.07 W)

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Geomagnetic index Kp for 3 days
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Geomagnetic storms in Phoenix in July 2026

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

Time zone — UTC−07 (Phoenix | geographic coordinates — 33.45 N 112.07 W)

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

Geomagnetic activity indices on July 21, 2026

Geomagnetic index Ap 14
Solar radio flux F10.7 149