Meteoweser
Do you want to be aware of geomagnetic storms that could affect your health, communications, or electronics?
The Meteoweser app is your personal assistant for monitoring geomagnetic activity.

App features
Geomagnetic activity
Data on Kp-index, geomagnetic storms and forecasting.
Forecast
Forecast for several days ahead and hours.
Notifications
Alerts and warnings about geomagnetic storms.