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
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Filaments and prominences 517AR 13901 108Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |