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.
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Last X-flare | 2024/07/16 | X2 |
Last M-flare | 2024/07/26 | M1.7 |
Last geomagnetic storm | 2024/06/28 | Kp8- (G4) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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June 2024 | 164.2 -7.5 |
July 2024 | 184.1 +19.9 |
Last 30 days | 184.6 +33.1 |