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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1Kp1+ | 2Kp1 | 3A1 Kp3- | 4Kp2+ | 5Kp3+ | ||
6Kp3+ | 7Kp2 | 8Kp3- | 9Kp4- | 10B1.1 Kp2+ | 11Kp2+ | 12Kp2- |
13Kp1- | 14Kp1- | 15Kp2 | 16A7.8 Kp2+ | 17Kp1+ | 18Kp2- | 19B1 Kp1- |
20Kp0+ | 21Kp3- | 22Kp3 | 23Kp2+ | 24B1.3 Kp1 | 25B1.1 Kp2+ | 26Kp2- |
27Kp1 | 28Kp3 | 29Kp3+ | 30Kp3+ | 31A9.6 Kp4- | ||
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 25Coronal Hole 06 52Returning Carrington 14SDO Magnetogram 27Current Farside Activity 252
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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 | 131.8 +40 |
| Last 30 days | 108.3 +14.5 |