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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1Kp3- | 2Kp4 | 3Kp4- | 4Kp4 | 5Kp2+ | ||
6Kp3- | 7Kp1 | 8Kp1+ | 9Kp0+ | 10Kp2- | 11Kp6+ | 12Kp4- |
13Kp3 | 14Kp1+ | 15Kp3 | 16Kp2- | 17Kp1 | 18B1.33 Kp1- | 19Kp3 |
20Kp2- | 21Kp2 | 22Kp3- | 23Kp2- | 24Kp1 | 25Kp1- | 26Kp3- |
27Kp1 | 28Kp2 | 29Kp4+ | 30Kp4- | 31Kp3- | ||
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/26 | M7.3 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 119.3 -33.2 |
| Last 30 days | 122 -35.7 |