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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Saturday Sat. |
Sunday Sun. |
1X1.42 Kp4- | 2M2.54 Kp4+ | 3M1.65 Kp3 | 4M5.81 Kp2+ | 5C9.42 Kp1+ | ||
6M1.03 Kp1+ S1 | 7X1.79 Kp3+ S2 | 8M5.26 Kp3+ S3 | 9C2.05 Kp3 S3 | 10C1.98 Kp2 S2 | 11C9.37 Kp2+ S1 | 12C8.68 Kp3+ S1 |
13M1.91 Kp3 | 14C4.68 Kp3+ | 15Kp2- | 16C8.95 Kp1 | 17M1.28 Kp2- | 18C8.7 Kp1 | 19C3.89 Kp0+ |
20C5.19 Kp1- | 21C2.01 Kp3- | 22C1.8 Kp3+ | 23C1.15 Kp2+ | 24C2.1 Kp3 | 25C1.43 Kp3 | 26C8.81 Kp3- |
27M7.18 Kp2- | 28M7.04 Kp2+ | 29M1.04 Kp2 | 30M9.58 Kp2+ | 31M1.67 Kp1- | ||
Latest news
Sunday, 9 November 2025
X1.7 solar flare
Friday, 7 November 2025
CME impact, another M-flare with a halo CME
Thursday, 6 November 2025
G3 geomagnetic storm watch
Latest forum messages
Sunspot region 4274 499AR 14274 CMES @ 09/11/25 0800 UTC & 10/11/25 @ 10/11/25 @ 1000UTC 35Unspecified geomagnetic activity 3297X1.21 solar flare, severe geomagnetic storm? 1Incoming & Unnumbered Active Regions 2140
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Space weather facts
| Last X-flare | 2025/11/10 | X1.2 |
| Last M-flare | 2025/11/07 | M1.7 |
| Last geomagnetic storm | 2025/11/08 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| November 2025 | 87.9 -26.7 |
| Last 30 days | 96.5 -31.9 |