India, Jan. 20 -- The Sun has unleashed its most powerful solar radiation storm in over 20 years, sending high-energy particles toward Earth and raising concerns about possible disruptions to satellites, aviation systems and GPS accuracy.

According to CNN, forecasters are closely monitoring the event as solar activity ramps up early in 2026.

The National Weather Service's Space Weather Prediction Center (SWPC) confirmed that an S4-level severe solar radiation storm is currently underway, a ranking just one step below the most extreme category.

In a post on X, SWPC said this is the strongest radiation storm observed since October 2003, when intense solar activity triggered power outages in parts of Europe and damaged electrical infrastr...