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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M2 Kp3- S1 | 2M1.2 Kp4 | 3M1.4 Kp4 | ||||
4M3.8 Kp4+ | 5M4.19 Kp3- | 6X2.39 Kp3+ | 7M2.79 Kp3 | 8M1.51 Kp4- | 9M1.2 Kp5 | 10M9.49 Kp6- |
11M1.4 Kp3 | 12C8.2 Kp2- | 13M1.7 Kp3- | 14C2.9 Kp4- | 15M1.1 Kp3+ | 16M1.6 Kp3+ | 17C5.3 Kp3- |
18M3.71 Kp2 | 19M1.1 Kp3- | 20M1.1 Kp3- | 21C5.9 Kp3 S1 | 22M1.6 Kp3+ S2 | 23M1.1 Kp3- | 24M1.11 Kp4 |
25M9.45 Kp3+ | 26C9.4 Kp3 | 27M1 Kp2+ | 28C7 Kp2- | 29C5.4 Kp3- | 30C9.2 Kp4+ | |
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 |