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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Sunday Sun. |
1B9.01 Kp3 | 2C2.63 Kp0+ | 3C1.8 Kp1+ | 4M1.15 Kp1 | 5C4.9 Kp0+ | 6C3.16 Kp2 | 7C2.24 Kp3 |
8B9.15 Kp6 | 9C8.29 Kp4- | 10C8.6 Kp3 | 11M1.51 Kp3 | 12M1.25 Kp2+ | 13M1.92 Kp3- | 14M2.97 Kp4+ |
15C3.64 Kp4- | 16C3.86 Kp3 | 17C7.57 Kp4 | 18M4.39 Kp3- S1 | 19M1.17 Kp2+ S1 | 20M1.45 Kp0+ | 21M5.54 Kp4- S1 |
22M9.46 Kp8+ S3 | 23C2.76 Kp8- S2 | 24C8.12 Kp4 S1 | 25X1.13 Kp6- | 26C2.39 Kp3- S1 | 27C1.97 Kp3- S1 | 28C2.82 Kp4- |
29C3.47 Kp2 | 30C1.99 Kp2+ | |||||
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 130 +51.8 |
| Last 30 days | 91.6 +20.3 |
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