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. |
1Kp5 | ||||||
2B1.71 Kp2+ | 3Kp3- | 4B1.85 Kp2+ | 5B3.78 Kp1+ | 6Kp1+ | 7B1.92 Kp4 | 8Kp3- |
9Kp3- | 10Kp1 | 11Kp1 | 12Kp2+ | 13B1.44 Kp5+ | 14B1.94 Kp4+ | 15Kp3+ |
16Kp2+ | 17Kp1+ | 18Kp2- | 19Kp1+ | 20Kp3+ | 21Kp4+ | 22B9.41 Kp4 |
23B2.82 Kp2- | 24Kp2 | 25B1.92 Kp2+ | 26Kp1 | 27Kp2+ | 28B3.65 Kp5- | 29B1.82 Kp4+ |
30B2.52 Kp4- | 31B6.34 Kp2+ | |||||
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
Latest forum messages
AR4366 977Do the high-resolution sunspot counts point to more complex sunspots? 51Feb 8-9 CMEs 12AR 4371 19AR 4373 3
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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 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |