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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1C2.84 Kp3+ | ||||||
2C3.59 Kp4+ | 3C4.65 Kp4+ | 4M1.42 Kp4 | 5C2.18 Kp3+ | 6B6.31 G1 | 7C3.61 Kp3- | 8M1.72 Kp3- |
9M1.37 Kp3- | 10C1.39 Kp2+ | 11C1.02 G2 | 12- G1 | 13- Kp4+ | 14B5.39 Kp4 | 15B3.25 G1 |
16C2.35 Kp4- | 17B7.12 Kp2- | 18B7.27 Kp3 | 19B5.06 Kp3 | 20B4.8 Kp2 | 21B8.93 Kp3- | 22C2.74 Kp3 |
23B6.49 Kp3- | 24C1.03 Kp3+ | 25M1.15 Kp2+ | 26X1.64 Kp2- | 27C3.59 Kp4 | 28C4.22 Kp4 | 29B6.97 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 954Unproven theories 342AR3654 23Changelog/Featurelog 154What are these long and thin eruptions? 9
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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 | 137.7 +30.3 |