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+ | 2Kp2- | 3Kp3 | 4Kp3 | 5Kp2- | ||
6Kp4- | 7Kp2 | 8B4.87 Kp3- | 9Kp1+ | 10Kp3 | 11Kp3- | 12Kp3 |
13Kp2- | 14Kp1+ | 15Kp4- | 16Kp3 | 17Kp3- | 18Kp2- | 19Kp2+ |
20Kp5- | 21Kp4 | 22Kp4 | 23Kp2 | 24Kp3- | 25B2.82 Kp2 | 26B2.68 Kp3- |
27B4.43 Kp2- | 28Kp2+ | |||||
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 135850 mhz F2 51AR 13932 13Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 11Strong far side CME 335
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | 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 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |