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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1B1.6 Kp4- | 2B1.43 Kp5- | |||||
3B1.59 Kp3- | 4B2.88 Kp2 | 5Kp3+ | 6Kp4 | 7Kp4+ | 8B4.34 Kp2 | 9Kp1- |
10Kp1- | 11Kp1- | 12Kp1 | 13Kp1 | 14Kp2+ | 15Kp2 | 16Kp1+ |
17Kp2 | 18Kp3 | 19Kp2- | 20Kp4 | 21Kp4- | 22Kp4- | 23Kp4+ |
24Kp4- | 25Kp3- | 26Kp2 | 27Kp5 | 28Kp5 | 29Kp5 | 30Kp4- |
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 |