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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1A1.57 Kp4+ | 2Kp4 | 3Kp3- | ||||
4Kp2+ | 5Kp2+ | 6A7.06 Kp3 | 7Kp3- | 8C1.94 Kp3- | 9B8.99 Kp2+ | 10Kp2+ |
11Kp1+ | 12Kp3- | 13Kp2- | 14Kp3 | 15Kp3- | 16A1.57 Kp5- | 17Kp5- |
18B2.48 Kp1- | 19Kp3- | 20C6.94 Kp2- | 21C7.57 Kp1 | 22C6.95 Kp1- | 23C1.45 Kp1 | 24C1.4 Kp2 |
25B6.12 Kp2+ | 26Kp2+ | 27Kp3- | 28Kp3 | 29Kp2 | 30Kp2 | 31A1.57 Kp4- |
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 |