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. |
1Kp3 | 2Kp3 | 3Kp1+ | 4Kp1 | |||
5Kp2+ | 6A1.2 Kp1 | 7Kp4+ | 8Kp2- | 9Kp2 | 10Kp2 | 11Kp2+ |
12B8.5 Kp2 | 13B6 Kp2 | 14B2.4 Kp3 | 15B1.7 Kp5- | 16B3.4 Kp5 | 17B9.6 Kp5- | 18B4.1 Kp4- |
19M1.1 Kp4- | 20C1.9 Kp3+ | 21C1.6 Kp2+ | 22C8.6 Kp2 | 23C2.4 Kp4+ | 24B6.6 Kp3- | 25C2.6 Kp5 |
26C1.3 Kp4+ | 27B3.3 Kp3 | 28B3.4 Kp1 | 29B6.2 Kp1+ | 30B1.9 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 127AR4299 M8.1 CME 2025/12/06 144AR4294 / 4296 / 4298 419Space Weather Memes 761New paper on the Gannon Storm 10-11 May 2024 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.2 |
| 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 | 107.4 +11.4 |