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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1C9.24 Kp3+ | ||||||
2M1.03 Kp3- | 3C7.94 Kp5 | 4M5.34 Kp5+ | 5C1.03 Kp4 | 6C6.38 Kp4+ | 7C4.38 Kp6 | 8B7.52 Kp4+ |
9M5.66 Kp5- | 10C5.34 Kp5+ | 11B8.55 Kp5- | 12C1.22 Kp2- | 13C1.75 Kp4- | 14Kp3 | 15B7.25 Kp3 |
16C1.06 Kp3+ | 17C1.63 Kp3 | 18C1.53 Kp5 | 19C1.1 Kp4- | 20B9.92 Kp2+ | 21C4.81 Kp2 | 22C8.01 Kp1- |
23M1.25 Kp1- | 24Kp0 | 25C2.78 Kp0 | 26C1.24 Kp1+ | 27B5.45 Kp3 | 28B8.01 Kp3- | 29B8.56 Kp3 |
30C1.4 Kp5 | ||||||
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
Unspecified geomagnetic activity 43Incoming & Unnumbered Active Regions 43Filaments and prominences 415Current Farside Activity 258Coronal Hole 06 59
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/19 | M1.0 |
| 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 | 120.8 +29 |
| Last 30 days | 108.7 +19.4 |