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 2021 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B2.4 Kp4 | 2B2 Kp3 | 3B3.7 Kp3+ | 4C7.2 Kp3 | 5M1.4 Kp3 | ||
6C1.3 Kp3- | 7B1.8 Kp2+ | 8Kp2- | 9Kp1- | 10Kp2- | 11B1.2 Kp3+ | 12C1.2 Kp1+ |
13B3.7 Kp3- | 14C6.1 Kp1+ | 15C8.1 Kp3+ | 16C3.4 Kp3 | 17M1.29 Kp2- | 18C6.4 Kp2- | 19C3.8 Kp5 |
20M1.9 Kp4- | 21M1.4 Kp4- | 22M1.3 Kp3 | 23C2.7 Kp2+ | 24C7.5 Kp2+ | 25C3.4 Kp3- | 26C3.3 Kp2- |
27C2.2 Kp4 | 28M1.89 Kp3- | 29C4.7 Kp2+ | 30B8.4 Kp3 | 31C9.8 Kp2 | ||
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
Space Weather Memes 593Growth of Cycle 25 774Sunspot Region Labels Colours Suggestion 4jsoc 47End of Solar Maximum Earlier than expected..... 10
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/27 | M1.0 |
| 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 |
| December 2024 | 98 -68.4 |
| Last 30 days | 133.6 -27.6 |