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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December 1999 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C1.54 Kp2+ | 2C7.59 Kp2+ | 3C9.11 Kp4 | 4C6.16 Kp5 | 5C4.69 Kp4+ | ||
6M1.2 Kp4+ | 7M1.46 Kp4- | 8C6.23 Kp4- | 9C3.21 Kp4- | 10C5.3 Kp3+ | 11C4.13 Kp3+ | 12C1.19 Kp4- |
13C1.59 Kp6- | 14C1.7 Kp1+ | 15C3.6 Kp3 | 16C5.11 Kp2 | 17M1.54 Kp3- | 18M2.19 Kp3- | 19C8.09 Kp2 |
20C6.97 Kp2- | 21M1.61 Kp1 | 22M7.71 Kp0+ | 23C5.34 Kp2- | 24M1.21 Kp4 | 25C8.93 Kp3+ | 26C4.81 Kp2- |
27M2.91 Kp3+ | 28M6.5 Kp3+ | 29M1.27 Kp3+ | 30C3.56 Kp4+ | 31C3.89 Kp6- | ||
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 82Sunspot 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 |