Geomagnetic storms in San Francisco — Sep 26, 2021
Geomagnetic storms in San Francisco on Sep 26, 2021
the Earth's magnetosphere was quiet (Kp = 3.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from September 24 to 26, 2021 for mid latitudes
Location — San Francisco (geographic coordinates — 37.73 N -123.03 W | time zone UTC-08)

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Geomagnetic storms in San Francisco in September 2021
Changes in the maximum daily geomagnetic index Kp in September 2021 for mid latitudes
Location — San Francisco (geographic coordinates — 37.73 N -123.03 W | time zone UTC-08)
geomagnetic storms in August 2021 (San Francisco)
geomagnetic storms in October 2021 (San Francisco)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 3
Index F10.7 = 86