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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3+ | 2Kp4- | 3B9.72 Kp2 | 4B4 Kp1 | 5C1.65 Kp4 | 6B4.9 Kp5+ | |
7B3.43 Kp6- | 8B7.72 Kp5+ | 9C2.59 Kp5 | 10M1.06 Kp4- | 11C1.85 Kp2+ | 12C2.44 Kp2- | 13C2.15 Kp3+ |
14C1.56 Kp5- | 15C2.93 Kp2 | 16C1.41 Kp3 | 17C1.19 Kp4+ | 18C1.86 Kp4 | 19C3.32 Kp5- | 20C5.89 Kp2 |
21C3.95 Kp3+ | 22B7 Kp2- | 23B6.59 Kp2 | 24C1.47 Kp3- | 25B4.05 Kp4+ | 26Kp4- | 27Kp4- |
28Kp2- | 29B2.83 Kp3- | 30Kp3- | 31Kp3+ | |||
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 | 2025/12/08 | M1.8 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |