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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.1 Kp4 | 2C1 Kp3+ | |||||
3B4.7 Kp4 | 4B4.2 Kp3 | 5B3 Kp2+ | 6C1.1 Kp0+ | 7C2.7 Kp0 | 8B8.4 Kp5 | 9B7.8 Kp3 |
10Kp2+ | 11C1 Kp2 | 12B8.8 Kp1+ | 13C2.9 Kp1 | 14M1.8 Kp6- | 15C4.3 Kp5- | 16C2.6 Kp4+ |
17C2.8 Kp3 | 18M1.5 Kp5 | 19B5.9 Kp5+ | 20M5.5 Kp3+ S1 | 21B9.5 Kp3+ | 22B6.3 Kp3 | 23B1.7 Kp3 |
24C1.1 Kp2 | 25C9.95 Kp3+ | 26C7.3 Kp3 | 27C1.4 Kp3 | 28C3.1 Kp4- | 29M1.1 Kp4 | 30C6.7 Kp3 |
31C2.7 Kp3 | ||||||
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Latest forum messages
2024/12/23 CME by AR 13932's M8.9 flare. 2AR 13932 46Incoming & Unnumbered Active Regions 1365Space Weather Memes 614Strong far side CME 342
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 114.4 -44.3 |