Solar Cycle 25 - Top Solar Radiation Storms Help
On this page you will find an overview of the strongest solar radiation storms from Solar Cycle 25 together with links to more information in our archive.
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 668X1.9 CME 1364X8 CME 11New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73Current Farside Activity 351
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M7.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |