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- | 2B2.38 Kp3+ | 3B5.34 Kp4 | ||||
4C3.75 Kp4- | 5C2.04 Kp2 | 6C3.62 Kp2- | 7B3.12 Kp1 | 8B4.5 Kp2+ | 9C1.8 Kp3+ | 10C2.89 Kp3+ |
11B3.82 Kp4- | 12B1.88 Kp3+ | 13C1.54 Kp5 | 14C2.48 Kp4+ | 15B4.21 Kp3 | 16B9.49 Kp3- | 17B6.79 Kp1- |
18B5.21 Kp2+ | 19C2.73 Kp2- | 20M3.76 Kp4- | 21M1.42 Kp3+ | 22M3.11 Kp3- | 23M1.42 Kp2- | 24M3.37 Kp4- |
25C9.81 Kp3+ | 26C3.19 Kp1 | 27C2.48 Kp2- | 28C5.53 Kp1+ | 29C4.95 Kp3 | 30X1.73 Kp4 | 31M3.35 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 |