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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Sunday Sun. |
1Kp2+ | 2Kp2+ | 3B3.55 Kp1+ | 4B8.35 Kp1 | 5B7.55 Kp3 | ||
6C3.55 Kp3 | 7B5.94 Kp3 | 8C4.74 Kp4- | 9Kp3 | 10B7.46 Kp1 | 11B6.7 Kp0+ | 12B2.41 Kp1- |
13B2.7 Kp2- | 14Kp3 | 15C1.26 Kp4- | 16B6.24 Kp4- | 17C1.82 Kp3 | 18B5.62 Kp3- | 19B5.08 Kp1+ |
20C3.04 Kp2 | 21C2 Kp3- | 22C1.18 Kp1+ | 23B3.38 Kp2+ | 24B3.84 Kp4 | 25B5.41 Kp3+ | 26C1.01 Kp3- |
27B8.37 Kp3- | 28C2.84 Kp4+ | 29B9.01 Kp3- | 30B9.65 Kp1- | |||
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 |