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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1Kp2+ | 2Kp2+ | |||||
3Kp2 | 4Kp3- | 5Kp2 | 6Kp4 | 7A1.1 Kp3+ | 8Kp3- | 9Kp3- |
10Kp2 | 11Kp3 | 12Kp2 | 13Kp1+ | 14Kp2- | 15Kp3- | 16Kp2+ |
17Kp3 | 18Kp4- | 19Kp4 | 20A1.1 Kp3- | 21Kp4- | 22Kp3- | 23Kp2+ |
24Kp2 | 25Kp1+ | 26A9.5 Kp2+ | 27Kp2 | 28Kp2+ | 29Kp4- | |
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 |