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. |
1C1.01 Kp1+ | 2Kp1- | 3Kp1- | 4Kp2+ | |||
5Kp1 | 6Kp1- | 7Kp1- | 8Kp1+ | 9Kp1- | 10Kp1- | 11Kp3+ |
12Kp1- | 13Kp1 | 14Kp0+ | 15Kp2+ | 16Kp2+ | 17Kp1- | 18Kp1- |
19Kp1 | 20Kp1- | 21Kp1 | 22Kp4- | 23Kp4- | 24B7.05 Kp4 | 25C2.21 Kp3 |
26C1.89 Kp2- | 27C2.47 Kp1+ | 28C3.26 Kp1+ | 29B2.98 Kp2+ | 30B3.61 Kp3+ | 31C1.53 Kp1+ | |
Latest news
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Latest forum messages
AR 14341 90Filaments and prominences 431AR 14343 29Incoming & Unnumbered Active Regions 109AR 4336 64
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/17 | M1.1 |
| Last geomagnetic storm | 2026/01/16 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 96.7 -27.3 |
| Last 30 days | 101.8 -5.9 |