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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December 2012 |
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Sunday Sun. |
1C2.82 Kp2+ | 2B4.73 Kp3- | |||||
3C1.69 Kp1+ | 4B9.96 Kp3- | 5C2.53 Kp1+ | 6B9.11 Kp0+ | 7C5.71 Kp1- | 8C1.36 Kp0+ | 9C2.07 Kp3- |
10C7.93 Kp2+ | 11B8.11 Kp1+ | 12C8.2 Kp1- | 13C1.72 Kp2- | 14C1.53 Kp2- | 15C1.82 Kp3 | 16C1.62 Kp2 |
17C1.96 Kp4- | 18C1.99 Kp2+ | 19B8.26 Kp2+ | 20B6.86 Kp3 | 21C2.8 Kp2+ | 22C2.76 Kp0+ | 23C2.26 Kp1 |
24C2.43 Kp2+ | 25C5.9 Kp1+ | 26C5.66 Kp2- | 27C2.34 Kp1- | 28B5.22 Kp1 | 29C2.17 Kp1+ | 30C1 Kp2 |
31C1.26 Kp0+ | ||||||
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 | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/21 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 116.9 +25.1 |
| Last 30 days | 110.1 +23.7 |