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 | ||||||
2Kp0+ | 3Kp3- | 4Kp3- | 5Kp3- | 6Kp1+ | 7Kp0+ | 8Kp3 |
9Kp1- | 10Kp2 | 11Kp3- | 12Kp3 | 13Kp5- | 14Kp3 | 15Kp3 |
16Kp2+ | 17Kp2- | 18Kp1- | 19Kp2- | 20Kp2- | 21Kp3 | 22Kp3- |
23Kp1+ | 24Kp3- | 25Kp4- | 26B5.13 Kp3 | 27Kp3 | 28Kp2 | 29Kp1+ |
30Kp2- | 31Kp2- | |||||
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 139.3 +26.7 |
| Last 30 days | 124.9 +18 |