Solar Storm July 2025. The sun emitted a strong solar flare, peaking at 7:48 a.m. Roughly every 11 years, it undergoes a cycle of varying activity levels, from low to high,.

But 2025 is also expected to be a scorcher: Solar cycle 25—by far the most thoroughly observed solar cycle in history—has reached its maximum phase, nasa and the national oceanic and atmospheric administration.