Geomagnetic storms in Boston on August 27, 2026

August 27, 2026

Boston change region

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Maximum Kp index on August 27, 2026

Kp = 1+

The Earth's magnetosphere was quiet

Kp = 1+

Changes in the geomagnetic index Kp from August 25 to 27, 2026 for mid latitudes

Time zone — UTC−04 — summer time (Boston | geographic coordinates — 42.24 N 71.03 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 (Boston | geographic coordinates — 42.24 N 71.03 W)

July 2026 September 2026

PNG API: JSON | TXT

Geomagnetic index A_p	4
Solar radio flux F10.7	122