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. |
1C4.58 Kp5 | ||||||
2C3.74 Kp5 | 3C5.59 Kp4 | 4M1.82 Kp3 | 5C4.8 Kp3+ | 6C2.2 Kp3- | 7C3.33 Kp3+ | 8C4.52 Kp3 |
9M3.5 Kp3 | 10M1.19 Kp3 | 11C1.47 Kp3 | 12C8.65 Kp2 | 13C1.32 Kp1 | 14B9.63 Kp2- | 15C1.24 Kp3 |
16C1.22 Kp3- | 17B9.99 Kp5 | 18C5.01 Kp5 | 19C1.77 Kp3 | 20C3.31 Kp2 | 21C1.7 Kp3- | 22C1.28 Kp2+ |
23C1.53 Kp4- | 24C2.07 Kp5+ | 25Kp3 | 26B5.57 Kp2- | 27C1.51 Kp1+ | 28C8.07 Kp4- | |
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 359Electron event 10AR4299 M8.1 CME 2025/12/06 71AR 4299 89Growth of Cycle 25 975
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |