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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Tuesday Tues. |
Wednesday Wed. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C4.56 Kp2+ | 2C1.8 Kp2- | 3C2.09 Kp3 | ||||
4C1 Kp3 | 5C3.17 Kp2 | 6M2.34 Kp3 | 7C7.83 Kp4 | 8C6.23 Kp4 | 9C4.54 Kp4+ | 10C4.8 Kp3+ |
11C2.74 Kp3 | 12M1.99 Kp2+ | 13C8.33 Kp3- | 14C9.2 Kp1+ | 15C7.69 Kp1- | 16C3.64 Kp2- | 17C8.3 Kp3+ |
18M1.01 Kp3- | 19M1.37 Kp2 | 20C6.79 Kp1+ | 21C4.13 Kp2- | 22C5.39 Kp4- | 23C5.86 Kp6- | 24M1.61 Kp3 |
25C7.86 Kp3 | 26M1.89 Kp3- | 27M6.23 Kp3+ | 28C7.37 Kp3 | 29M1.81 Kp3+ | 30C7.71 Kp1+ | 31C1.61 Kp1+ |
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
AR4299 M8.1 CME 2025/12/06 162AR 4299 148AR4294 / 4296 / 4298 422Space Weather Memes 762New paper on the Gannon Storm 10-11 May 2024 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.1 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108.7 +12.8 |