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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C7.97 Kp4- | ||||||
2M1.36 Kp3+ | 3M1.2 Kp3 | 4M3.7 Kp4- | 5C1.57 Kp3 | 6C3.03 Kp3 | 7C3.03 Kp4- | 8C3.66 Kp4 |
9C5.93 Kp3 | 10M1.63 Kp2+ | 11M1.02 Kp2- | 12M1.2 Kp1+ | 13M1.15 Kp2- | 14C5.61 Kp4 | 15C8.53 Kp3+ |
16M3.66 Kp2- | 17M2.31 Kp2 | 18M3.54 Kp1+ | 19M3.87 Kp5- | 20M9.77 Kp5- | 21C6.7 Kp6- | 22M1.67 Kp3+ |
23C5.44 Kp4+ | 24C8.33 Kp5- | 25C6.89 Kp3+ | 26C2.81 Kp5- | 27B9.31 Kp6 | 28C2.03 Kp4+ | 29C1.42 Kp4- |
30B3.93 Kp3+ | 31B9.54 Kp3+ | |||||
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 |