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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1Kp4- | ||||||
2Kp2+ | 3Kp4- | 4B1.93 Kp4- | 5B1.47 Kp4 | 6Kp4- | 7Kp4+ | 8Kp4 |
9Kp3+ | 10C1.2 Kp4- | 11B6.64 Kp3- | 12C5.52 Kp2+ | 13Kp2- | 14B2.39 Kp2- | 15Kp2 |
16B2.19 Kp1- | 17Kp2 | 18B1.33 Kp4- | 19Kp3+ | 20B7.02 Kp3+ | 21M1.34 Kp3+ | 22B2.82 Kp3+ |
23Kp2 | 24B6.82 Kp2 | 25C1.16 Kp3 | 26B5.31 Kp4- | 27B7.22 Kp4+ | 28C4.06 Kp3+ | 29Kp3- |
30Kp3- | 31Kp5- | |||||
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
Incoming & Unnumbered Active Regions 1351Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 7Unspecified geomagnetic activity 1747Strong far side CME 322jsoc 64
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| 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 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |