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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May 2025 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C2.5 Kp5- | 2C3.6 Kp5 | 3C2.3 Kp5+ | 4C5.4 Kp5- | |||
5C2.4 Kp5- | 6C4.5 Kp4- | 7C4 Kp3- | 8C7 Kp4- | 9C4.8 Kp5- | 10C5.5 Kp5- | 11C5.1 Kp5- |
12M1.9 Kp2 | 13X1.21 Kp4- | 14X2.7 Kp4- | 15M2.1 Kp4- | 16C3.4 Kp4- | 17C2.2 Kp6+ | 18C1.5 Kp5- |
19M3.19 Kp3+ | 20C5.4 Kp3+ | 21M1.2 Kp4 | 22C2.5 Kp2+ | 23C1.6 Kp3+ | 24M2.2 Kp1+ | 25X1.1 Kp2 |
26M2.9 Kp3 | 27C5.1 Kp4+ | 28C3 Kp4+ | 29C7 Kp6+ | 30M3.47 Kp5- | 31M8.2 Kp4 S1 | |
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 |