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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1M1.1 Kp4 | 2C1.0 Kp3+ | |||||
3B4.7 Kp4 | 4B4.2 Kp3 | 5B3.0 Kp2+ | 6C1.1 Kp0+ | 7C2.7 Kp0 | 8B8.4 G1 | 9B7.8 Kp3 |
10- Kp2+ | 11C1.0 Kp2 | 12B8.8 Kp1+ | 13C2.9 Kp1 | 14M1.8 G2 | 15C4.3 G1 | 16C2.6 Kp4+ |
17C2.8 Kp3 | 18M1.5 G1 | 19B5.9 G1 | 20M5.5 Kp3+ | 21B9.5 Kp3+ | 22B6.3 Kp3 | 23B1.7 Kp3 |
24C1.1 Kp2 | 25C9.95 Kp3+ | 26C7.3 Kp3 | 27C1.4 Kp3 | 28C3.1 Kp4- | 29M1.1 Kp4 | 30C6.7 Kp3 |
31C2.7 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
Latest forum messages
Incoming Active Regions 232Filaments and prominences 56Unproven theories 355AR3654 33Growth 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 |