Top Solar Radiation Storms Help
On this page you will find an overview of the strongest solar radiation storms since 1976 together with links to more information in our archive.
Currently there's no noteworthy space weather
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Incoming & Unnumbered Active Regions 1824Solar Transit, Artifacts, or Radiation 10Line chart of indicators on the auror video, animated graph trace 29Filaments and prominences 125Growth of Cycle 25 839
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 126.5 -7.7 |
| Last 30 days | 124.6 -4.5 |