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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1C3.8 Kp4 | ||||||
2C9.5 Kp3 | 3C4.0 Kp3- | 4C8.4 G1 | 5C6.8 Kp3 | 6X1.22 Kp1+ | 7M1.6 Kp3- | 8M1.4 Kp3 |
9X1.9 Kp2 | 10X1.0 Kp3 | 11M5.67 Kp3- | 12M1.59 Kp3 | 13M3.9 Kp4 | 14M4.6 Kp3+ | 15M6.03 G1 |
16C8.6 Kp4 | 17M1.8 Kp3+ | 18M1.7 Kp4 | 19M1.7 Kp3- | 20C7.3 Kp3- | 21C5.6 Kp4 | 22M1.6 Kp3+ |
23C6.4 Kp3 | 24C9.4 Kp1+ | 25M4.65 Kp3 | 26M2.8 Kp3- | 27C5.2 Kp3+ | 28C3.3 Kp3 | 29C2.3 Kp2 |
30C3.1 Kp3- | 31C4.9 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
Unproven theories 377CME 2024-MAY-01 south of AR3654 C5.8 4AR3654 45Filaments and prominences 68ionosphere D detection 12
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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 |