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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3- | 2Kp3+ | 3Kp3+ | 4Kp4- | 5Kp3+ | 6Kp3 | 7C1.13 Kp2 |
8B8.38 Kp3+ | 9B5.05 Kp3+ | 10B3.34 Kp4 | 11B2.02 Kp3- | 12C1.06 Kp3 | 13B2.13 Kp3 | 14B1.32 Kp2- |
15B5.03 Kp2+ | 16Kp2+ | 17Kp2- | 18Kp1 | 19A9.99 Kp2- | 20C1.07 Kp1+ | 21Kp2- |
22Kp1+ | 23Kp3+ | 24Kp3 | 25Kp2- | 26Kp2- | 27Kp2 | 28Kp2 |
29B1.01 Kp2 | 30Kp2- | |||||
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 |