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+ | |||||
3Kp2 | 4Kp3- | 5Kp2 | 6Kp4 | 7A1.1 Kp3+ | 8Kp3- | 9Kp3- |
10Kp2 | 11Kp3 | 12Kp2 | 13Kp1+ | 14Kp2- | 15Kp3- | 16Kp2+ |
17Kp3 | 18Kp4- | 19Kp4 | 20A1.1 Kp3- | 21Kp4- | 22Kp3- | 23Kp2+ |
24Kp2 | 25Kp1+ | 26A9.5 Kp2+ | 27Kp2 | 28Kp2+ | 29Kp4- | |
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
AR 3906 8>500 meV 23Filaments and prominences 561Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2Comment limitation 6
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/23 | 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 | 144.1 -22.3 |
| Last 30 days | 158.7 +10.9 |