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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1Kp1+ | 2Kp3 | 3Kp3+ | 4Kp1+ | 5Kp1- | ||
6Kp1- | 7Kp6+ | 8Kp6+ | 9Kp4- | 10Kp4 | 11Kp3 | 12B3.17 Kp2+ |
13C1.04 Kp2+ | 14B1.59 Kp3 | 15Kp3+ | 16B5 Kp4+ | 17B9.16 Kp2+ | 18B1.29 Kp2 | 19Kp2+ |
20Kp4- | 21B2.09 Kp5 | 22Kp3 | 23B2.02 Kp3- | 24Kp3+ | 25B1.93 Kp3+ | 26Kp1 |
27B3.74 Kp2 | 28Kp3+ | 29Kp2 | 30Kp4 | |||
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 |