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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1Kp4+ | 2Kp5- | 3Kp4- | ||||
4Kp3- | 5Kp2 | 6Kp2+ | 7Kp3 | 8Kp3+ | 9Kp2 | 10Kp5- |
11Kp4 | 12Kp3 | 13Kp4- | 14Kp4+ | 15Kp3+ | 16Kp3+ | 17Kp2 |
18Kp4- | 19Kp4- | 20Kp3 | 21Kp2+ | 22Kp2- | 23Kp2+ | 24Kp1+ |
25Kp1+ | 26Kp2- | 27Kp4+ | 28Kp4+ | 29Kp5+ | ||
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
Latest forum messages
Changelog/Featurelog 163AR 13932 592024/12/23 CME by AR 13932's M8.9 flare. 6Incoming & Unnumbered Active Regions 1366Growth of Cycle 25 779
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/24 | M4.1 |
| 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 | 110.7 -41.8 |
| Last 30 days | 117.3 -41.4 |