Geomagnetic storms in Boston
Yesterday
Tomorrow
Geomagnetic storms in Boston now
the Earth's magnetosphere is quiet (Kp = 1.67)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from July 3 to 5, 2026 for mid latitudes
Location — Boston (geographic coordinates — 42.24 N -71.03 W | time zone UTC-04 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Boston in July 2026
Changes in the maximum daily geomagnetic index Kp in July 2026 for mid latitudes
Location — Boston (geographic coordinates — 42.24 N -71.03 W | time zone UTC-04 - summer time)
This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 18
Index F10.7 = 161