* National Oceanic and Atmospheric Administration (NOAA) Space Weather Prediction Center: [https://www.swpc.noaa.gov/ute(https://www.swpc.noaa.gov/)
* European Space Agency (ESA) Rumvejrportal: [https://www.esa.int/science_exploration/space_weather? vs
Disse websteder giver opdaterede oplysninger om solaktivitet, potentielle geomagnetiske storme og deres potentielle virkninger.