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. |
1M7.1 Kp3+ | 2C5.5 Kp3+ | 3M7.2 Kp2 | 4M3.9 Kp2+ | 5M2.1 Kp2- | 6C5.2 Kp6 | 7M1.64 Kp4 |
8M2.3 Kp4+ S1 | 9M6.5 Kp4+ S1 | 10M2.2 Kp5+ S1 | 11M2.2 Kp3- S1 | 12C5.6 Kp5+ | 13C9 Kp4 | 14C7 Kp3+ |
15C3.4 Kp3- | 16M9.62 Kp3- | 17C9.5 Kp1 | 18M4.5 Kp1- | 19M5.3 Kp4 | 20M8.96 Kp6- | 21M2.6 Kp6- |
22M1.9 Kp5- | 23M3 Kp4- | 24M1.85 Kp3 | 25M1.1 Kp3 | 26M1.3 Kp2- | 27C8.4 Kp2 | 28M1 Kp3 |
29C6.5 Kp1+ | 30M1.4 Kp2 | 31M4.2 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
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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 |