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. |
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Sunday Sun. |
1C1.03 Kp2 | 2C1.35 Kp2 | 3C3.95 Kp1+ | 4C1.78 Kp2 | 5M3.28 Kp1+ | 6C2.52 Kp2- | 7C4.44 Kp2 |
8C2.34 Kp1- | 9C4.14 Kp1+ | 10C6.07 Kp2+ | 11M9.34 Kp2 S2 | 12M4.79 Kp2 S1 | 13C2.71 Kp3 | 14B9.75 Kp3+ |
15C1.82 Kp3 | 16C5.02 Kp2 | 17C1.94 Kp1- | 18C9.33 Kp1 | 19C1.6 Kp0+ | 20C2.29 Kp2 | 21C6.47 Kp1+ |
22M1.43 Kp2- | 23M1.18 Kp3- | 24C3.67 Kp5 | 25C8.31 Kp3 | 26M1.01 Kp5- | 27C7.54 Kp2+ | 28C6.32 Kp2+ |
29C8.45 Kp3- | 30C5.18 Kp3- | |||||
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |