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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Sunday Sun. |
1B9.01 Kp7 | 2C2.55 Kp4 | |||||
3M1.37 Kp3 | 4B9.6 Kp3 | 5M1.87 Kp2+ | 6B7.63 Kp5 | 7M8.56 Kp6- | 8C2.52 Kp3 | 9C5.36 Kp3- |
10C2.69 Kp3+ | 11Kp3- | 12Kp1+ | 13C1.34 Kp2- | 14B9.76 Kp1+ | 15C1.42 Kp2- | 16C1.5 Kp1- |
17C2.5 Kp1 | 18C3.39 Kp1+ | 19M1.21 Kp2 | 20C2.8 Kp4+ | 21M4.18 Kp4 | 22C2.18 Kp3+ | 23M4.2 Kp4 |
24M1.42 Kp4+ | 25C1.29 Kp3 | 26C2.18 Kp1 | 27C1.79 Kp3+ | 28M1.05 Kp5- | 29C1.6 Kp6+ | 30C3.93 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
AR4294 / 4296 / 4298 388AR4299 M8.1 CME 2025/12/06 87AR 4299 115New 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 | 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 |