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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1Kp5+ | ||||||
2Kp5 | 3Kp3 | 4Kp3 | 5Kp4 | 6Kp3+ | 7Kp2+ | 8Kp3- |
9Kp3+ | 10Kp2 | 11Kp2 | 12Kp2 | 13Kp3- | 14Kp2 | 15Kp3 |
16Kp4 | 17Kp4- | 18A2.43 Kp3 | 19Kp1+ | 20Kp1 | 21Kp2+ | 22Kp2+ |
23A1.57 Kp1+ | 24Kp4- | 25Kp2 | 26Kp2+ | 27Kp5+ | 28Kp5- | 29Kp4- |
30Kp4- | ||||||
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 137AR4294 / 4296 / 4298 415Space Weather Memes 761AR 4299 121New 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 | M1.1 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |