Just watch Ben Davidson on "suspicion observers" or go to his website. Guy literally wrote and published textbook on this stuff.

Nothing to worry about, northern lights to see.

What he's worried about is the apparently cyclical hyperflare/micronova that's going to happen some time in the next 3000 years. It's going to be biblical. Just like the last 93 times it happened during the Pleistocene ice age.

Once every 12-15 kiloyears a once in a thousand generations explosion from the sun his the Earth, destroying all nearly technological advancements via fire and induction and then the climate flips between glacial and interglacial so fast that animals get frozen standing chewing cud and flowers get encased in ice mid bloom or the other way, oceans rise so fast that no one can outrun the sea and everyone living in the subcontinental cave systems are fucked.