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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1Kp3+ | ||||||
2Kp2 | 3Kp2 | 4A8.1 Kp3 | 5Kp2- | 6Kp2 | 7Kp2 | 8Kp2- |
9Kp2 | 10Kp2 | 11B2.3 Kp2- | 12Kp3- | 13Kp3- | 14Kp1 | 15Kp2- |
16Kp2 | 17A9 Kp2- | 18Kp3 | 19Kp4+ | 20Kp3- | 21Kp3 | 22Kp2+ |
23A2.6 Kp3+ | 24Kp3- | 25Kp2- | 26Kp3 | 27Kp2 | 28Kp2+ | 29Kp3+ |
30A1.1 Kp4 | 31Kp4 | |||||
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
Light pillar 10AR4299 M8.1 CME 2025/12/06 278AR4294 / 4296 / 4298 440AR 4299 154Geomagnetic Data / Monitoring 6
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108 +10.6 |