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. |
1M4.39 Kp5 | 2M1.63 Kp3+ | 3C7.3 Kp1- | 4X1.48 Kp3- S3 | |||
5M3.07 Kp5+ S4 | 6M2.94 Kp9- S4 | 7M8.19 Kp6- S2 | 8X1.3 Kp2+ S2 | 9M4.78 Kp2 S1 | 10M3.33 Kp3+ S1 | 11M2.14 Kp2+ |
12M2.39 Kp1+ | 13M2.17 Kp2- | 14M2.77 Kp1+ | 15C3.81 Kp4+ | 16C4.55 Kp2+ | 17M4.05 Kp4- | 18M1.06 Kp3+ |
19C6.47 Kp4+ S1 | 20C7.32 Kp4 S1 | 21C9.01 Kp2 | 22X1.41 Kp3- S1 | 23C9.1 Kp3+ S3 | 24M1.05 Kp8+ S4 | 25X1.68 Kp3 S2 |
26C6.16 Kp3- S1 | 27M3.27 Kp1 S1 | 28M9.91 Kp1+ | 29M7.95 Kp1+ | 30M5.14 Kp1 | ||
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Coronal Hole 06 4AR4299 M8.1 CME 2025/12/06 483Photographing auroras 215Current Farside Activity 238AR4294 / 4296 / 4298 451
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |