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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1Kp2 | 2Kp2 | |||||
3Kp1+ | 4Kp3 | 5Kp3+ | 6A2.86 Kp2 | 7Kp2+ | 8Kp2+ | 9Kp3- |
10A5 Kp5 | 11A9.09 Kp6 | 12Kp4 | 13A2.57 Kp4 | 14Kp4+ | 15Kp3- | 16A1.43 Kp2+ |
17Kp3+ | 18Kp2+ | 19Kp2+ | 20Kp1- | 21Kp4+ | 22Kp5- | 23Kp3+ |
24Kp2+ | 25Kp3 | 26Kp3- | 27Kp2+ | 28Kp3 | 29Kp3+ | 30Kp2+ |
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 |