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 2001 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M6.86 Kp3- | 2M2.91 Kp2 | |||||
3M1.01 Kp3+ | 4M1.91 Kp3 | 5C3.83 Kp4 | 6M1.45 Kp3 | 7M1.18 Kp3- | 8M4.87 Kp3+ | 9C9.85 Kp2- |
10M1.24 Kp2- | 11X4.02 Kp2- | 12M8.1 Kp3+ | 13X8.9 Kp2 | 14M6.41 Kp2 | 15M1.36 Kp3 | 16M2.19 Kp3+ |
17C2.86 Kp4- | 18C6.94 Kp4- | 19M1.92 Kp3 | 20M1.25 Kp2 | 21C5.8 Kp4 | 22C5.05 Kp3 | 23M1.69 Kp3- |
24M5 Kp5- | 25M1.76 Kp3 | 26X1.02 Kp2+ S2 | 27M3.32 Kp3- S1 | 28X4.99 Kp2 S1 | 29X1.34 Kp4 S1 | 30C8.75 Kp5- S1 |
31C9.64 Kp4 S2 | ||||||
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 | M2.0 |
| 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 |