Geomagnetic storms in Portland — Sep 21, 2018
Geomagnetic storms in Portland on Sep 21, 2018
geomagnetic storm was occured — level G1.0 (Kp = 5.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from September 19 to 21, 2018 for mid latitudes
Location — Portland (geographic coordinates — 45.54 N -122.65 W | time zone UTC-08)

This chart in PNG format — high resolution
API data: JSON or TXT
Geomagnetic storms in Portland in September 2018
Changes in the maximum daily geomagnetic index Kp in September 2018 for mid latitudes
Location — Portland (geographic coordinates — 45.54 N -122.65 W | time zone UTC-08)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 9
Index F10.7 = 67