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 1996 |
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Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C6.83 Kp1+ | ||||||
2C3.89 Kp4 | 3B4.31 Kp3 | 4Kp4- | 5Kp1- | 6Kp1- | 7Kp2 | 8Kp1 |
9C1.06 Kp5 | 10B2.43 Kp5 | 11C1.51 Kp4 | 12B9.96 Kp3- | 13B5.76 Kp2+ | 14B2.46 Kp3- | 15B2.59 Kp4- |
16C3.89 Kp3+ | 17B2.6 Kp3 | 18B2.71 Kp2+ | 19C3.06 Kp1- | 20B3.71 Kp1- | 21B2.57 Kp3- | 22Kp4- |
23B3.4 Kp4- | 24C3.01 Kp2 | 25Kp2 | 26Kp2- | 27Kp2 | 28Kp2- | 29Kp3 |
30Kp3+ | 31Kp2+ | |||||
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
Latest forum messages
Geminid Meteor Shower 21Current Farside Activity 248Coronal Hole 06 44Incoming & Unnumbered Active Regions 33Filaments and prominences 414
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 135.1 +43.3 |
| Last 30 days | 107.1 +10.8 |