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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M3.6 Kp3 | 2M1.7 Kp4 | 3M2 Kp2 | 4M1.9 Kp4 | 5X1.63 Kp6+ S1 | 6M5.51 Kp1 S1 | |
7X1.51 Kp4 | 8M3.6 Kp4 S1 | 9C5.1 Kp2+ S1 | 10C7.6 Kp3- S1 | 11C8.2 Kp1+ | 12C8.8 Kp2+ | 13C2.4 Kp2 |
14C8.9 Kp1+ | 15C4.1 Kp1 | 16C3.3 Kp3 | 17C5.1 Kp2+ | 18C3.7 Kp3 | 19C5.8 Kp3 | 20C3.3 Kp3+ |
21C4.7 Kp3- | 22M1.1 Kp3+ | 23C3.9 Kp2- | 24C4.1 Kp3 | 25M1.4 Kp2 | 26M1.1 Kp2 | 27Kp3+ |
28C2.3 Kp2 | 29C3.9 Kp2 | 30C3 Kp2 | 31C2.4 Kp2 | |||
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
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/11/04 | M3.5 |
| Last geomagnetic storm | 2025/10/30 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| November 2025 | 51.3 -78.5 |
| Last 30 days | 95.5 -32.8 |