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- | 2C1.03 Kp2- | |||||
3C2.29 Kp1- | 4C1.54 Kp1 | 5B4.97 Kp0+ | 6Kp1 | 7Kp4+ | 8Kp4 | 9Kp4 |
10B4.32 Kp2 | 11Kp1+ | 12B2.03 Kp1 | 13Kp1- | 14Kp1- | 15Kp3- | 16Kp4- |
17Kp2+ | 18Kp1- | 19Kp1- | 20Kp1 | 21Kp0+ | 22Kp0+ | 23Kp2- |
24Kp3 | 25Kp4- | 26Kp4- | 27Kp3+ | 28Kp3- | 29Kp1+ | 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
jsoc 72AR 13932 732024/12/23 AR13932 M8.9 & M4.1 associated CMEs 11Ask your obscure/"stupid" space weather questions. 122Changelog/Featurelog 163
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/24 | M1.0 |
| 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 | 116.5 -41.7 |