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. |
1M2.19 Kp3- | 2C5.53 Kp2- | |||||
3C1.4 Kp3- | 4C4.83 Kp3+ | 5C3.34 Kp3+ | 6C6.73 Kp2 | 7M1.91 Kp2 | 8C8.74 Kp2+ | 9M8.2 Kp2+ |
10M8.27 Kp5- | 11X1.51 Kp5+ | 12X2.81 Kp4- | 13M2.21 Kp7 | 14X8.21 Kp7+ S3 | 15M1.87 Kp9 S4 | 16M7.96 Kp8- S2 |
17M3.57 Kp3 S2 | 18M4.77 Kp3+ S1 | 19M9.23 Kp4+ S1 | 20M7.17 Kp6 | 21M7.97 Kp3- | 22M5.33 Kp4- S1 | 23M2.21 Kp6 |
24C7.49 Kp2+ | 25X1.15 Kp2 | 26M1.89 Kp5- | 27M3.44 Kp4- | 28C6.09 Kp6- S1 | 29C4.97 Kp6- | 30M1.12 Kp3 |
31C4.49 Kp5+ | ||||||
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
What, no CH/HSS thread? 51Incoming & Unnumbered Active Regions 167AR4374 19Current Farside Activity 382Filaments and prominences 489
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 106.5 -6.1 |
| Last 30 days | 124.3 +22.3 |