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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Friday Fri. |
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Sunday Sun. |
1Kp2 | 2Kp2- | 3Kp1+ | 4Kp1+ | 5A7.26 Kp1+ | ||
6B1 Kp1+ | 7A8.71 Kp4 | 8Kp3+ | 9Kp2+ | 10Kp6 | 11Kp5- | 12Kp5- |
13Kp3- | 14Kp2- | 15Kp2 | 16B1.38 Kp1 | 17Kp1+ | 18Kp3 | 19B1.15 Kp3 |
20B5.99 Kp3 | 21Kp3+ | 22Kp2+ | 23Kp2+ | 24Kp2+ | 25Kp3- | 26Kp5- |
27B1.94 Kp4 | 28Kp5- | 29B7.5 Kp3 | 30Kp4 | 31Kp3 | ||
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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 | 2024/12/25 | M4.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
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| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |