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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1M4.15 Kp4- | ||||||
2M8.08 Kp4+ | 3M1.43 Kp3+ | 4M7.67 Kp3 | 5M8.9 Kp4+ | 6X1.61 Kp4+ | 7M3.77 Kp3- S1 | 8M9.93 Kp4+ |
9M1.63 Kp7- S1 | 10M3.01 Kp4- | 11M1.42 Kp4- | 12X2.03 Kp4- S1 | 13C3.5 Kp1- S1 | 14M1.48 Kp6- S1 | 15C5.5 Kp7 S1 |
16C9.11 Kp6+ | 17M2.55 Kp5- S2 | 18C6.56 Kp1+ S2 | 19X1.12 Kp2- S1 | 20B7.05 Kp3 S1 | 21C2.1 Kp3 S1 | 22Kp3- |
23C2.97 Kp3 S1 | 24C6.14 Kp3- S1 | 25C1.41 Kp3 | 26C1.96 Kp1 | 27M4.01 Kp2- | 28M8.83 Kp4- | 29M3.34 Kp2+ |
30M1.67 Kp4+ | 31C9.1 Kp2- | |||||
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Space weather facts
| Last X-flare | 2024/05/10 | X3.8 |
| Last M-flare | 2024/05/10 | M3.7 |
| Last geomagnetic storm | 2024/05/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 138 +1.5 |
| Last 30 days | 171 +80.1 |