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+ | 2Kp1+ | 3Kp1 | 4A1.1 Kp3 | 5Kp3+ | ||
6Kp1+ | 7Kp2- | 8Kp1- | 9Kp1 | 10Kp1+ | 11Kp1 | 12Kp1- |
13Kp3- | 14Kp4- | 15Kp2 | 16Kp2- | 17Kp1+ | 18Kp1+ | 19Kp2- |
20Kp1 | 21Kp2- | 22Kp1+ | 23Kp1 | 24Kp4- | 25Kp4 | 26Kp1 |
27Kp1 | 28Kp2 | 29Kp2 | 30Kp2- | 31A1 Kp1+ | ||
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
Coronal mass ejection impact and G4 geomagnetic storm 10 & 11 October 2024 935AR 3938 21AR 13933 9AR 13932 89AR13936 6
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/26 | M7.3 |
| 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 | 119.3 -33.2 |
| Last 30 days | 122 -35.7 |