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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1- Kp3 | 2C6.41 Kp3+ | 3M1.21 Kp4- | 4M4.36 Kp2 | 5X1.74 Kp4+ | 6C3.44 G1 | |
7C6.33 G1 | 8M1.9 Kp4- | 9M1.06 Kp4- | 10M1.01 Kp3+ | 11C3.36 Kp4+ | 12M2.53 G3 | 13C1.66 Kp4- |
14C1.16 G1 | 15C3.1 Kp4+ | 16C3.54 Kp3- | 17M3.67 Kp3- | 18C3.89 Kp0+ | 19M1.86 Kp2 | 20M3.44 Kp4- |
21M2.6 G1 | 22M1.71 Kp2+ | 23C9.77 Kp4 | 24M1.6 G1 | 25M1.24 Kp4+ | 26M1.54 Kp4 | 27C5.77 Kp4- |
28C2.84 Kp4 | 29M1.35 Kp3 | |||||
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
Unproven theories 338Filaments and prominences 55Space Weather Memes 336Growth of Cycle 25 433Sporadic E and Flare activity 17
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/23 | M3.0 |
| 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 | 125.4 +21.1 |