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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B4.41 Kp4+ | 2B6.44 Kp4+ | |||||
3Kp4- | 4B8.29 Kp5 | 5B7.39 Kp3+ | 6B3.53 Kp2+ | 7B4.47 Kp3- | 8B7.07 Kp3+ | 9B6.77 Kp2 |
10B6.08 Kp3+ | 11B4.86 Kp1 | 12C1.61 Kp3 | 13C1.89 Kp6+ | 14C1.47 Kp6- | 15B3.78 Kp3 | 16C1.16 Kp5 |
17C6.06 Kp4 | 18Kp3 | 19Kp3- | 20Kp1+ | 21B1.86 Kp1- | 22Kp2+ | 23B1.38 Kp3 |
24Kp4- | 25B2.41 Kp6+ | 26B1.93 Kp6- | 27Kp5- | 28B3.94 Kp4+ | 29B2.28 Kp5+ | 30Kp4 |
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 |