Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.
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April 2000 |
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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.2 Kp4 | 2C8.74 Kp4 | |||||
3C5.44 Kp3 | 4M1.54 G1 | 5C2.3 Kp4+ | 6M2.7 G4 | 7C3.53 G4 | 8M2.97 Kp3 | 9M4.54 Kp4- |
10M1.23 Kp4 | 11M1.63 Kp3+ | 12M1.96 Kp3- | 13C4.27 Kp4- | 14M1.03 Kp1+ | 15M6.14 Kp3- | 16C9.14 Kp4+ |
17C5.41 Kp4 | 18M1.12 Kp3- | 19C8.46 Kp4 | 20M1.24 Kp3+ | 21C6.97 Kp4- | 22M1.03 Kp2 | 23C6.77 Kp2+ |
24C4.14 G1 | 25C3.91 Kp2+ | 26C9.11 Kp1 | 27C3.29 Kp4 | 28C7.46 G1 | 29C4.41 Kp4- | 30M1.11 Kp4+ |
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Last X-flare | 2024/03/28 | X1.1 |
Last M-flare | 2024/05/02 | M2.7 |
Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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April 2024 | 136.5 +31.6 |
Last 30 days | 146.6 +47.6 |