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. |
1C9.1 Kp8- S2 | ||||||
2M3.3 Kp7 S1 | 3M1.48 Kp7 | 4M1.1 Kp5+ | 5C8.7 Kp4- | 6C4.5 Kp2+ | 7C3.5 Kp4+ | 8C1.9 Kp4 |
9C2 Kp4 | 10C5.5 Kp3- | 11C8.5 Kp5- | 12C5.9 Kp5+ | 13M1.2 Kp7- | 14M6.8 Kp5+ | 15M8.4 Kp3 |
16M6.4 Kp4- | 17X1.27 Kp2+ | 18M1.5 Kp3+ | 19X1.9 Kp4+ | 20M4.61 Kp3 | 21C2 Kp3+ | 22C1.5 Kp3+ |
23C5 Kp3- | 24C3.1 Kp3- | 25C1.3 Kp4+ | 26C1.3 Kp5+ | 27C1.9 Kp5 | 28C4 Kp3+ | 29C1.2 Kp2+ |
30C1.8 Kp3 | ||||||
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
X8 CME 17AR4366 73450 mhz F2 81Space Weather Memes 784Do the high-resolution sunspot counts point to more complex sunspots? 48
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.8 +9.2 |