On this page you will find an overview of the strongest geomagnetic storms of 1937 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 | 2024/12/30 | X1.1 |
Last M-flare | 2024/12/30 | M3.5 |
Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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November 2024 | 152.5 -13.9 |
December 2024 | 132.7 -19.8 |
Last 30 days | 132.7 -13.6 |