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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B4.34 Kp3- | 2B2.9 Kp1- | 3C1.77 Kp1+ | 4B7.16 Kp4+ | 5B1.95 Kp5 | 6Kp5- | |
7Kp4- | 8Kp3 | 9Kp4- | 10Kp3 | 11Kp2+ | 12Kp3+ | 13Kp3 |
14Kp1+ | 15Kp3 | 16B3.1 Kp4 | 17Kp3+ | 18Kp2+ | 19Kp3- | 20Kp2 |
21Kp2+ | 22Kp3 | 23Kp5+ | 24Kp4- | 25Kp3- | 26B5.54 Kp3+ | 27Kp3- |
28Kp4- | 29Kp3 | 30Kp4+ | ||||
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 | 140.8 +28.2 |
| Last 30 days | 124.6 +17.7 |