Geomagnetic History & Astrology

SC25 Declining Phase Geomagnetic Storm Risks

SC25 Declining Phase Geomagnetic Storm Risks

Key Questions

What is the current status of Solar Cycle 25 and its storm risks?

SC25 is fading mid-2026 with recent activity including an M5.7 CME near-miss and G3/G2 geomagnetic storms in May. These events carry risks such as GIC impacts and reported melatonin or heart attack spikes.

How does the SMILE mission support geomagnetic storm forecasting?

SMILE's X-ray imaging capability, launching around May 2026, is expected to improve forecasts of solar storms and their effects. This is highlighted in S0 News coverage of ongoing solar activity.

What recent solar features are contributing to storm risks?

A new coronal hole facing Earth and active region AR4436 have driven recent G2-G3 storms and auroras. S0 News May 25 discusses these alongside magnetic field reversal topics.

SC25 fading mid-2026: AR4436 M5.7 CME near-miss May10-13/G3 May11 auroras/GIC risks, G2 May4-5, melatonin/heart attack spikes; new coronal hole 53 Earth-facing. SMILE May 2026 X-ray imaging aids forecasts. S0 News May 25 covers ongoing solar storm headaches.

Sources (1)
Updated Jun 1, 2026