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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1X2.49 Kp4+ | 2C3.41 G2 | |||||
3C5.53 Kp4 | 4M1.05 G1 | 5C1.17 Kp4 | 6B2.81 Kp3- | 7B9.85 G4 | 8C1.44 G3 | 9M3.47 Kp3 |
10C1.46 Kp3- | 11C2 Kp4 | 12C1.01 G1 | 13C9.77 Kp4- | 14M2.75 G1 | 15X3.79 Kp4+ | 16M3.45 Kp4 |
17X5.52 G2 | 18M6.58 G4 | 19X2 G3 | 20X10.1 G1 | 21M2.56 G4 | 22C4.48 G2 | 23M1.47 Kp4 |
24B6.76 Kp3 | 25B5.19 Kp2- | 26B2.66 Kp1- | 27B9.76 Kp1+ | 28- Kp3- | 29B7.11 Kp4+ | 30B1.81 Kp4+ |
31C1.88 G1 | ||||||
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
Unspecified geomagnetic activity 952AR3654 23Changelog/Featurelog 154What are these long and thin eruptions? 9IMF - BT strength 8
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/27 | M3.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 138.1 +30.7 |