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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1Kp4- | 2Kp2 | 3Kp1 | 4Kp1+ | 5A5.29 Kp2 | 6Kp1+ | 7A7.18 Kp1 |
8Kp4- | 9Kp4- | 10Kp2- | 11Kp1 | 12B2.71 Kp1+ | 13Kp3 | 14Kp5- |
15Kp4- | 16Kp2 | 17Kp1- | 18C1.36 Kp0+ | 19Kp3- | 20B2.11 Kp3 | 21Kp3 |
22C1.34 Kp3+ | 23Kp2 | 24Kp4 | 25Kp3 | 26Kp3 | 27Kp3- | 28Kp2- |
29Kp1 | 30B1.61 Kp2+ | 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 |