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. |
1C3.8 Kp4 | ||||||
2C9.5 Kp3 | 3C4 Kp3- | 4C8.4 Kp5- | 5C6.8 Kp3 | 6X1.22 Kp1+ | 7M1.6 Kp3- | 8M1.4 Kp3 |
9X1.9 Kp2 | 10X1 Kp3 | 11M5.67 Kp3- | 12M1.59 Kp3 | 13M3.9 Kp4 | 14M4.6 Kp3+ | 15M6.03 Kp5 |
16C8.6 Kp4 | 17M1.8 Kp3+ | 18M1.7 Kp4 | 19M1.7 Kp3- | 20C7.3 Kp3- | 21C5.6 Kp4 | 22M1.6 Kp3+ |
23C6.4 Kp3 | 24C9.4 Kp1+ | 25M4.65 Kp3 | 26M2.8 Kp3- | 27C5.2 Kp3+ | 28C3.3 Kp3 | 29C2.3 Kp2 |
30C3.1 Kp3- | 31C4.9 Kp3+ | |||||
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
Geminid Meteor Shower 27Coronal Hole 06 54Incoming & Unnumbered Active Regions 35Returning Carrington 14SDO Magnetogram 27
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 128 +36.2 |
| Last 30 days | 108.4 +15.8 |