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- | 2Kp3- | 3Kp4- | 4Kp2+ | |||
5Kp2 | 6Kp2 | 7Kp1 | 8Kp2 | 9Kp2 | 10B5.82 Kp3 | 11Kp1 |
12Kp0+ | 13Kp2 | 14Kp2+ | 15Kp2+ | 16Kp2 | 17Kp1+ | 18Kp1 |
19Kp4 | 20Kp2 | 21Kp2 | 22Kp1- | 23Kp1- | 24Kp1 | 25Kp2- |
26Kp3+ | 27Kp2 | 28Kp1 | 29Kp2+ | 30Kp2 | 31Kp3- | |
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
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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 | |
|---|---|
| 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 |