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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March 1997 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp4 | 2Kp4- | |||||
3Kp3+ | 4Kp2 | 5B6.29 Kp4- | 6C1.18 Kp3+ | 7Kp3 | 8Kp2+ | 9B4.13 Kp1- |
10Kp1+ | 11Kp2+ | 12Kp3+ | 13Kp3- | 14B4.04 Kp2 | 15Kp3+ | 16B2.37 Kp3- |
17Kp2+ | 18Kp3- | 19Kp2- | 20Kp1+ | 21Kp2 | 22Kp4- | 23Kp2- |
24Kp4- | 25Kp4- | 26Kp4- | 27C1.34 Kp3+ | 28C2 Kp6- | 29B4.71 Kp5- | 30B2.34 Kp4- |
31B3 Kp2+ | ||||||
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
AR4299 M8.1 CME 2025/12/06 447Sporadic E and Flare activity 37Notification bug 1AR4294 / 4296 / 4298 450Geminid Meteor Shower 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |