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. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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Sunday Sun. |
1Kp3 | 2Kp3+ | 3B5.62 Kp4 | 4M1.02 Kp2- | 5C1.79 Kp1 | 6C1.83 Kp3+ | |
7C5.35 Kp6- | 8C2.85 Kp5+ | 9C1.05 Kp5- | 10C2.49 Kp4 | 11C1.44 Kp3+ | 12C1.28 Kp2+ | 13C3.93 Kp2 |
14C2.79 Kp2+ | 15C1.51 Kp2- | 16C7.11 Kp4- | 17C3.31 Kp4- | 18C2.93 Kp6+ | 19M4.72 Kp4 | 20B5.5 Kp4 |
21B9.16 Kp3 | 22C1.23 Kp2- | 23C3.84 Kp1+ | 24B3.52 Kp3 | 25Kp3+ | 26Kp3 | 27Kp3 |
28Kp4- | ||||||
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Feb 8-9 CMEs 28Current Farside Activity 374Yes, we really went to the moon before. 4Do the high-resolution sunspot counts point to more complex sunspots? 63AR4366 1027
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 125.3 +12.7 |
| Last 30 days | 130.4 +32.7 |