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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B3.78 Kp4- | ||||||
2C5.6 Kp3- | 3C1.36 Kp2- | 4B4.07 Kp1+ | 5B4.77 Kp3- | 6B5.35 Kp3- | 7B7.32 Kp4 | 8C3.99 Kp1+ |
9C7.3 Kp4+ | 10C1.73 Kp4 | 11M1.09 Kp3+ | 12M1.72 Kp3 | 13X1.55 Kp3- | 14X1.06 Kp3- | 15X1.34 Kp3- |
16M1.66 Kp2 | 17M3.46 Kp4- | 18X2.6 Kp3 | 19M4.41 Kp2- | 20C4.02 Kp4- | 21B5.37 Kp4 | 22B4.94 Kp3+ |
23B9.8 Kp2 | 24C1.1 Kp1+ | 25C1.97 Kp1+ | 26C2.68 Kp2+ | 27B2.68 Kp3- | 28B2.58 Kp3+ | 29B6.59 Kp2- |
30C3.48 Kp7 | 31M2.04 Kp5+ | |||||
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 |