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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M2.5 Kp4+ | 2M5.1 Kp4+ | |||||
3M8.88 Kp1 | 4M4.7 Kp2- | 5M2.7 Kp3- | 6M7.6 Kp3- | 7M7.6 Kp1 | 8M2.1 Kp3+ | 9C4.5 Kp5- |
10C9.9 Kp5- | 11M1.6 Kp4- | 12C3.9 Kp4+ | 13M1 Kp4+ | 14M1.8 Kp5- | 15C3.6 Kp5 | 16C6.1 Kp4 |
17M1.1 Kp4- | 18C5.6 Kp4+ | 19C8 Kp5 | 20C4.8 Kp3+ | 21M3.3 Kp3- | 22C8.2 Kp3- | 23X2 Kp3 |
24M3.94 Kp5- | 25M3.6 Kp3 S1 | 26C5.7 Kp3+ | 27C9.3 Kp6- | 28C5.2 Kp5 | ||
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
Latest forum messages
Coronal Hole 85 2CMEs from 2025/10/03 47Unspecified geomagnetic activity 3204Incoming & Unnumbered Active Regions 2108MODELO MAGNETOSFERA 3
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |