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 | 2B1 Kp4 | 3Kp4 | 4Kp3 | 5Kp3- | 6Kp3+ | 7Kp5- |
8Kp3 | 9Kp2 | 10B5.7 Kp1 | 11Kp1 | 12Kp3- | 13Kp4+ | 14Kp2 |
15Kp3- | 16Kp4 | 17Kp2+ | 18B1.3 Kp2 | 19B1.7 Kp4 | 20B1.1 Kp4+ | 21Kp4+ |
22B5.4 Kp4 | 23B3.3 Kp4- | 24B2.6 Kp4+ | 25B4.6 Kp4 | 26B9.5 Kp3 | 27C2.7 Kp2- | 28C3.9 Kp3- |
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 |