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. |
1Kp2- | 2C1.03 Kp2- | |||||
3C2.29 Kp1- | 4C1.54 Kp1 | 5B4.97 Kp0+ | 6Kp1 | 7Kp4+ | 8Kp4 | 9Kp4 |
10B4.32 Kp2 | 11Kp1+ | 12B2.03 Kp1 | 13Kp1- | 14Kp1- | 15Kp3- | 16Kp4- |
17Kp2+ | 18Kp1- | 19Kp1- | 20Kp1 | 21Kp0+ | 22Kp0+ | 23Kp2- |
24Kp3 | 25Kp4- | 26Kp4- | 27Kp3+ | 28Kp3- | 29Kp1+ | 30Kp1 |
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
Space Weather Memes 765CH 09 5Incoming & Unnumbered Active Regions 48Unspecified geomagnetic activity 46Filaments and prominences 415
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/20 | 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 | 118.5 +26.7 |
| Last 30 days | 108.7 +20.4 |