Geomagnetic storms in Greater Sudbury on August 4, 2026

August 4, 2026

Greater Sudbury change region

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Maximum Kp index on August 4, 2026

Kp = 3

The Earth's magnetosphere was quiet

Kp = 3

Changes in the geomagnetic index Kp from August 2 to 4, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Greater Sudbury | geographic coordinates — 46.49 N 81.01 W)

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PNG API: JSON | TXT

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

Time zone — UTC−04 — summer time (Greater Sudbury | geographic coordinates — 46.49 N 81.01 W)

July 2026 September 2026

PNG API: JSON | TXT

Geomagnetic index A_p	10
Solar radio flux F10.7	118