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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1Kp3 | 2Kp1 | 3Kp1+ | 4Kp1+ | 5Kp1- | ||
6Kp4- | 7B3.01 Kp4+ | 8Kp2- | 9Kp3- | 10Kp5- | 11B4.93 Kp4- | 12Kp2- |
13Kp1 | 14B5.26 Kp2 | 15B2.24 Kp3 | 16Kp2+ | 17Kp2- | 18Kp6- | 19B3.27 Kp6+ |
20C1.02 Kp4+ | 21C3.69 Kp4 | 22B6.63 Kp3+ | 23B7.42 Kp2 | 24B1.48 Kp2+ | 25B1.6 Kp3- | 26Kp3+ |
27B2.2 Kp3+ | 28C1.06 Kp3+ | 29B3.59 Kp2+ | 30C1.29 Kp2 | 31B3.3 Kp2 | ||
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
AR 13932 27Incoming & Unnumbered Active Regions 1362AR 3928 6Strong far side CME 338Unspecified geomagnetic activity 1751
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |