Solar Cycle 24 - Top Solar Radiation Storms Help
On this page you will find an overview of the strongest solar radiation storms from Solar Cycle 24 together with links to more information in our archive.
Currently there's no noteworthy space weather
Latest news
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Monday, 2 June 2025
The CME did not disappoint! More storming activity to come?
Saturday, 31 May 2025
M8.2 solar flare, Strong G4 geomagnetic storm watch
Latest forum messages
Perseids 2025 24Growth of Cycle 25 923large-scale structure of coronal holes since Dec 2024 13Incoming & Unnumbered Active Regions 1995Filaments and prominences 263
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/08/12 | M1.8 |
| Last geomagnetic storm | 2025/08/09 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| July 2025 | 125.6 +9.3 |
| August 2025 | 140.3 +14.7 |
| Last 30 days | 137.9 +31.3 |