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 | 2Kp1 | 3Kp1+ | 4Kp0+ | 5Kp2- | ||
6Kp1+ | 7Kp1 | 8Kp2+ | 9Kp3+ | 10Kp3+ | 11Kp3+ | 12Kp3- |
13Kp3- | 14Kp1 | 15Kp2- | 16Kp2+ | 17Kp2 | 18Kp3+ | 19Kp2+ |
20Kp2 | 21Kp2+ | 22Kp2- | 23Kp1- | 24Kp2+ | 25Kp2- | 26Kp1 |
27Kp2+ | 28Kp1 | 29Kp1+ | 30Kp1- | |||
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 | 2026/02/13 | M1.0 |
| 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 | 116.2 +3.6 |
| Last 30 days | 130.8 +34.3 |