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 2011 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C2.11 Kp3 | 2C2.48 Kp3 | 3C1.91 Kp3 | 4C6.95 Kp3- | |||
5C9.98 Kp2- | 6Kp1- | 7C3.95 Kp1 | 8C1.72 Kp2- | 9C4.53 Kp2- | 10C1.77 Kp3 | 11C2.32 Kp3- |
12C2.5 Kp3- | 13C6.9 Kp2 | 14M1.07 Kp1+ | 15C1.98 Kp1- | 16B7.08 Kp0+ | 17C4.64 Kp1- | 18C2.8 Kp1+ |
19C1.15 Kp3- | 20C8.92 Kp3- | 21C6.17 Kp3- | 22C7.85 Kp3- | 23C5 Kp1- | 24C7.46 Kp1 | 25M5.77 Kp2- |
26M3.43 Kp0+ | 27M1.28 Kp0 | 28M1.03 Kp2 | 29M3 Kp4- | 30M1.81 Kp3 | 31M3.51 Kp2+ | |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/11/04 | M3.5 |
| Last geomagnetic storm | 2025/10/30 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| November 2025 | 51.3 -78.5 |
| Last 30 days | 95.5 -32.8 |