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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Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp2 | ||||||
2C1.12 Kp3+ | 3B5.96 Kp2 | 4C1.8 Kp3 | 5C4.44 Kp4 | 6C1.56 Kp2 | 7C3.55 Kp3+ | 8C1.02 Kp2+ |
9C5.66 Kp2 | 10B9.2 Kp3+ | 11B3.69 Kp2 | 12B7.12 Kp5- | 13B7.85 Kp5 | 14C1.39 Kp4- | 15C3.86 Kp2 |
16M2.54 Kp2- | 17C1.84 Kp3+ | 18M1.28 Kp3+ | 19M1.01 Kp3- | 20C4.86 Kp3+ | 21C3.51 Kp4- | 22C3.45 Kp3+ |
23C2.96 Kp6- | 24C5.35 Kp7- | 25C5.33 Kp5+ | 26C1.77 Kp5- | 27M1.57 Kp3 | 28C2.45 Kp2+ | 29C2.54 Kp2+ |
30C8.68 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
Geminid Meteor Shower 17Current Farside Activity 241Coronal Hole 06 41Incoming & Unnumbered Active Regions 26Filaments and prominences 414
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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 | 139.6 +47.8 |
| Last 30 days | 106.8 +8.5 |