The Solar Cycle and Aurora: Why Some Years Are Better Than Others
The solar cycle helps explain why aurora activity rises and falls over time, with stronger geomagnetic activity usually showing up more often around solar maximum than solar minimum.
Northern lights forecast tonight in Sweden
Check aurora forecasts across Sweden, from Abisko and Kiruna to Stockholm and Gothenburg.
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The chances above don't take the weather into account, so be sure to check the forecast to see if it's cloudy or clear.
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Northern lights forecast across EuropeCompare this country with 112 locations across northern and central Europe.Aurora forecast guides and articlesRead practical explainers on darkness, seasonality, and aurora visibility.Northern lights viewing FAQFind clear answers about clouds, darkness, and when forecast odds matter most.Homepage forecast overviewReturn to the homepage to compare featured cities across North America and Europe.
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Aurora guides for Sweden forecast nights
Use these guides to understand why a forecast can look promising in Sweden but still depend on darkness, weather, and viewing conditions.
Can You See the Northern Lights in California?
Yes, but only rarely. California can see the northern lights during unusually strong geomagnetic storms, and even then the best odds are usually in darker northern areas with a clear view of the northern horizon.
What Is a Substorm?
A substorm is a short-lived burst of aurora activity that can make the northern lights brighten, move faster, and become easier to spot for a while.