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- | ||||||
2Kp2- | 3Kp2- | 4Kp2- | 5Kp1 | 6Kp2+ | 7Kp3+ | 8Kp3 |
9Kp2- | 10Kp1 | 11Kp1+ | 12Kp1+ | 13Kp1 | 14Kp6- | 15Kp4+ |
16Kp4- | 17Kp3 | 18Kp3+ | 19Kp3- | 20Kp3 | 21Kp1+ | 22Kp1+ |
23Kp2- | 24Kp3 | 25Kp3+ | 26Kp4 | 27Kp3+ | 28Kp2 | 29Kp3 |
30Kp1+ | ||||||
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. 1AR 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 |