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+ | 2- Kp4- | |||||
3- Kp3- | 4C1.21 Kp1+ | 5C2.04 Kp1+ | 6B3.11 Kp1+ | 7B1.45 G1 | 8B1.79 G1 | 9- Kp3+ |
10- Kp3 | 11C1.65 Kp3+ | 12C1.83 Kp1 | 13B3.55 Kp2 | 14- Kp2 | 15- Kp1- | 16B4.41 Kp3+ |
17- Kp4+ | 18- Kp2+ | 19- Kp3- | 20- Kp1+ | 21B4.32 Kp2+ | 22- Kp4 | 23- Kp1 |
24- Kp2 | 25- Kp4+ | 26- Kp4- | 27- Kp3+ | 28- Kp2 | 29- Kp2- | 30- Kp2 |
31C1.25 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
Filaments and prominences 56Unproven theories 355AR3654 33Incoming Active Regions 231Growth of Cycle 25 435
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/29 | M3.6 |
| 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 | 141.7 +36.9 |