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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1Kp2- | 2Kp1- | 3Kp2 | ||||
4Kp1+ | 5Kp1 | 6Kp1+ | 7Kp2 | 8Kp2 | 9Kp5+ | 10Kp4- |
11Kp3- | 12Kp2 | 13Kp2+ | 14Kp3 | 15Kp2 | 16Kp3- | 17Kp3+ |
18Kp5- | 19Kp3- | 20Kp2 | 21Kp1+ | 22Kp1+ | 23Kp1+ | 24Kp1 |
25Kp0+ | 26Kp1 | 27Kp2- | 28Kp1 | 29Kp1 | 30Kp1 | 31Kp2- |
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
2024/12/23 CME by AR 13932's M8.9 flare. 2AR 13932 46Incoming & Unnumbered Active Regions 1365Space Weather Memes 614Strong far side CME 342
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| 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 | 106.6 -45.9 |
| Last 30 days | 114.4 -44.3 |