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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1C2.37 Kp4- | 2C1.73 Kp3- | 3C2.54 G1 | 4C7.39 Kp2+ | 5C4.33 Kp3+ | 6C2.14 Kp2+ | 7C3.88 Kp4- |
8C2.32 G1 | 9C1.41 Kp3 | 10C1.88 Kp3- | 11M1.28 Kp3+ | 12M1.49 Kp4- | 13M2.57 Kp3 | 14M1.49 Kp3 |
15M1.71 Kp4 | 16C5.03 G1 | 17M1.36 G2 | 18M1.03 G1 | 19C3.85 Kp4- | 20C1.33 Kp2+ | 21B6.82 Kp2- |
22C1.2 Kp1 | 23C1.33 Kp3 | 24C2.08 Kp3- | 25C1.1 Kp2 | 26C1.42 Kp4- | 27C4.75 Kp1+ | 28B6.02 Kp1+ |
29B9.4 Kp2 | ||||||
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
IMF - BT strength 4What 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 | 133.4 +25.6 |