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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1C9.64 Kp4 | ||||||
2C3.34 Kp3+ | 3M1.51 Kp3+ | 4C3.67 G2 | 5M1.24 Kp3+ | 6M1.32 Kp3- | 7C7.76 G3 | 8M2.2 G3 |
9M3.09 Kp4 | 10M4.27 G1 | 11M3.23 G1 | 12C5.9 Kp3+ | 13C4.13 Kp3+ | 14C6.5 Kp3 | 15M1.49 Kp2+ |
16M1.96 Kp3 | 17M1.27 Kp3 | 18C6.9 Kp4- | 19C6.75 G1 | 20M2.66 Kp2 | 21C4.37 Kp3- | 22C3.51 Kp3- |
23C2.38 Kp1 | 24C4.5 Kp1+ | 25C3.24 Kp1+ | 26C5.81 Kp3- | 27M2.67 Kp3 | 28C4.93 Kp2 | 29M3.84 Kp2- |
30M3.01 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
ionosphere D detection 13Unproven theories 378CME 2024-MAY-01 south of AR3654 C5.8 4AR3654 45Filaments and prominences 68
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/05/02 | M1.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 146.6 +47.6 |