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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1C7.97 Kp4- | ||||||
2M1.36 Kp3+ | 3M1.2 Kp3 | 4M3.7 Kp4- | 5C1.57 Kp3 | 6C3.03 Kp3 | 7C3.03 Kp4- | 8C3.66 Kp4 |
9C5.93 Kp3 | 10M1.63 Kp2+ | 11M1.02 Kp2- | 12M1.2 Kp1+ | 13M1.15 Kp2- | 14C5.61 Kp4 | 15C8.53 Kp3+ |
16M3.66 Kp2- | 17M2.31 Kp2 | 18M3.54 Kp1+ | 19M3.87 G1 | 20M9.77 G1 | 21C6.7 G2 | 22M1.67 Kp3+ |
23C5.44 Kp4+ | 24C8.33 G1 | 25C6.89 Kp3+ | 26C2.81 G1 | 27B9.31 G2 | 28C2.03 Kp4+ | 29C1.42 Kp4- |
30B3.93 Kp3+ | 31B9.54 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
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IMF - BT strength 5What are these long and thin eruptions? 6AR 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 | 135.5 +27.6 |