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+ | 2Kp3+ | 3Kp4- | 4Kp3- | 5Kp1 | 6Kp1+ | |
7Kp2 | 8Kp4 | 9Kp5- | 10Kp4 | 11Kp3- | 12Kp4- | 13Kp5 |
14Kp4+ | 15Kp2+ | 16Kp3+ | 17Kp3 | 18Kp5+ | 19A6.7 Kp5+ | 20B1.28 Kp4 |
21Kp3- | 22Kp7- | 23Kp7+ | 24Kp4- | 25Kp3 | 26Kp3- | 27Kp2+ |
28Kp4- | 29Kp3+ | 30Kp4+ | 31Kp3+ | |||
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
>500 meV 22AR 3906 7Suggestion - Can admins automatically generate "official" AR topic threads as the regions appear and are numbered? 2Comment limitation 6Incoming & Unnumbered Active Regions 1257
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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 |