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 2004 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.71 Kp4 | 2C1.05 Kp2- | 3M2.16 Kp1 | 4B7.04 Kp0 | 5B4.46 Kp4+ | ||
6B3.15 Kp4+ | 7Kp4- | 8C3.62 Kp3+ | 9C1.7 Kp3- | 10B1.8 Kp3 | 11B8.37 Kp4+ | 12B4.95 Kp5+ |
13B4.53 Kp4+ | 14B4.38 Kp2+ | 15B8.98 Kp2+ | 16B5.47 Kp4 | 17B5.6 Kp4 | 18B5.85 Kp4+ | 19C2.69 Kp1+ |
20B5.62 Kp2+ | 21C1.31 Kp4+ | 22C3.41 Kp4+ | 23C7.39 Kp2+ | 24C2.58 Kp2 | 25Kp4 | 26C1.42 Kp3 |
27B6.83 Kp3- | 28M1.04 Kp5- | 29M3.37 Kp4+ | 30M6.08 Kp5- | 31M1.8 Kp3- | ||
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
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Space weather facts
| Last X-flare | 2024/10/31 | X2.0 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |