Geomagnetic storms in San Antonio — Jul 18, 2010
Geomagnetic storms in San Antonio on Jul 18, 2010
the Earth's magnetosphere was quiet (Kp = 2.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from July 16 to 18, 2010 for mid latitudes
Location — San Antonio (geographic coordinates — 29.46 N -98.52 W | time zone UTC-05 - summer time)

This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in San Antonio in July 2010
Changes in the maximum daily geomagnetic index Kp in July 2010 for mid latitudes
Location — San Antonio (geographic coordinates — 29.46 N -98.52 W | time zone UTC-05 - summer time)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 3
Index F10.7 = 77