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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Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C6.7 Kp4- | 2C3.4 Kp4- | |||||
3C2.8 Kp4- | 4C2.1 Kp4- | 5C1.9 Kp3+ | 6M3.01 Kp3 | 7C5.8 Kp3 | 8M2.9 Kp2 | 9C9 Kp3 |
10M2.83 Kp3+ | 11M1.3 Kp2+ | 12C6.1 Kp1+ | 13C8.3 Kp2+ | 14M1.5 Kp2+ | 15C7 Kp2+ | 16C8.9 Kp2- |
17C7 Kp2- | 18C4.7 Kp5- | 19C3.9 Kp4- | 20C3.6 Kp2+ | 21M1.7 Kp3+ | 22C4.8 Kp2+ | 23C2.2 Kp8+ S1 |
24C2.8 Kp8 | 25C1.7 Kp3+ | 26C2.5 Kp3+ | 27M1.8 Kp4+ | 28C7.1 Kp4 | 29C8.8 Kp4 | 30M2.4 Kp3 |
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
AR 4299 111AR4299 M8.1 CME 2025/12/06 83AR4294 / 4296 / 4298 371New paper on the Gannon Storm 10-11 May 2024 2Electron event 10
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |