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. |
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Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.3 Kp4- | 2C3.31 Kp4+ | 3C6.09 Kp3 | ||||
4M1.97 Kp6- | 5C9 Kp3 | 6C3.93 Kp4 | 7M1.03 Kp3+ | 8C1.64 Kp4- | 9M2.43 Kp2+ | 10C2.6 Kp2- |
11C6.03 Kp2+ | 12M1.44 Kp4+ S2 | 13C3.27 Kp4 S2 | 14M1.63 Kp2 S1 | 15M2.86 Kp5 S1 | 16M8.43 Kp6+ | 17C7.71 Kp8+ |
18M1.24 Kp8- | 19M7.33 Kp6 | 20C6 Kp4- | 21C5.87 Kp3 | 22M1.22 Kp3- | 23M1.24 Kp3 | 24M6.27 Kp5 |
25M4.93 Kp4 | 26M1.18 Kp5- | 27M1.38 Kp3+ | 28C6.73 Kp4- | 29C8.43 Kp2+ | 30X1.84 Kp6+ | |
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 96AR4294 / 4296 / 4298 396AR 4299 117New paper on the Gannon Storm 10-11 May 2024 2Electron event 10
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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 |