On this page you will find an overview of the strongest geomagnetic storms of 1935 together with links to more information in our archive. The Kp-values on this page are the official, finalized Kp-values from the GFZ in Potsdam, Germany. Times are in UTC.
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Last X-flare | 2025/05/25 | X1.1 |
Last M-flare | 2025/05/25 | M8.9 |
Last geomagnetic storm | 2025/05/17 | Kp6+ (G2) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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April 2025 | 140.6 +6.4 |
May 2025 | 74.5 -66.1 |
Last 30 days | 79.4 -43.5 |