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+ | 3Kp4- | 4B1.93 Kp4- | 5B1.47 Kp4 | 6Kp4- | 7Kp4+ | 8Kp4 |
9Kp3+ | 10C1.2 Kp4- | 11B6.64 Kp3- | 12C5.52 Kp2+ | 13Kp2- | 14B2.39 Kp2- | 15Kp2 |
16B2.19 Kp1- | 17Kp2 | 18B1.33 Kp4- | 19Kp3+ | 20B7.02 Kp3+ | 21M1.34 Kp3+ | 22B2.82 Kp3+ |
23Kp2 | 24B6.82 Kp2 | 25C1.16 Kp3 | 26B5.31 Kp4- | 27B7.22 Kp4+ | 28C4.06 Kp3+ | 29Kp3- |
30Kp3- | 31Kp5- | |||||
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
AR 13901 85Sunspot Latitudes at or near Solar Maximum 76Incoming & Unnumbered Active Regions 1244The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | 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 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |