The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.
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1C5.2 Kp4- | 2C3.17 Kp3- | 3C1.74 Kp1+ | 4C5.71 Kp2+ | 5C2.8 Kp4- | 6C1.61 Kp4+ | |
7C1.59 Kp4- | 8C9.63 Kp4- | 9C2.05 Kp3+ | 10C5.54 G1 | 11C8.02 Kp4+ | 12M1.13 Kp3+ | 13C7.56 Kp3- |
14C1.42 G1 | 15C1.76 G1 | 16C9.54 Kp4- | 17C2.46 Kp4- | 18C6.65 Kp3- | 19C6.49 Kp4 | 20C8.64 G3 |
21M4.07 G3 | 22M2.43 Kp4+ | 23M6.75 Kp3+ | 24M1.68 Kp3+ | 25C9.84 Kp2+ | 26M1.12 Kp4+ | 27C4 Kp3 |
28M2.66 Kp2 | 29C9.83 Kp2+ | 30C6.19 Kp1+ | 31- G2 | |||
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
What are these long and thin eruptions? 5IMF - BT strength 3AR 3637, 3638, 3643 89Unproven theories 341Space Weather Memes 338
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/25 | M1.3 |
| Last geomagnetic storm | 2024/04/19 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 133.9 +26.6 |