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. |
1C2.35 Kp4- | 2M2.2 Kp2+ | 3X2.19 Kp2- | 4M1.59 Kp3 | 5M4.64 Kp4 | 6M2.6 Kp4+ | 7M1.56 Kp3+ S1 |
8M3.34 Kp4 S1 | 9M1.48 Kp3 | 10C3.93 Kp2+ | 11M8.43 Kp3- | 12C3.02 Kp5- | 13M1.63 Kp2 | 14C2.17 Kp1- |
15X4.39 Kp2- | 16M1.18 Kp4 S1 | 17X1.22 Kp5 S2 | 18X2.61 Kp3- S1 | 19C5.7 Kp4 S1 | 20X4.74 Kp4+ | 21M1.14 Kp5- |
22C4.3 Kp4 S1 | 23X6.98 Kp5- S1 | 24M1.85 Kp3- S1 | 25C9.6 Kp4- S1 | 26X1.25 Kp3+ S1 | 27M1.68 Kp4 S1 | 28M3.41 Kp4- |
29M7 Kp4+ | 30C4.95 Kp3 | 31M1.85 Kp3 | ||||
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
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| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |