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- | ||||||
2A1.57 Kp1 | 3Kp0+ | 4Kp2- | 5Kp1- | 6Kp1 | 7Kp1- | 8Kp1+ |
9Kp3- | 10Kp2 | 11Kp3- | 12Kp2- | 13A0.45 Kp2 | 14Kp1+ | 15Kp2+ |
16Kp1 | 17Kp1 | 18Kp4 | 19Kp4- | 20A1.3 Kp2+ | 21Kp2+ | 22Kp2- |
23Kp1+ | 24Kp1+ | 25Kp2- | 26Kp2+ | 27A1.1 Kp1 | 28Kp1- | 29Kp1- |
30Kp1- | 31Kp1+ | |||||
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 |