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. |
1C4.8 Kp2+ | 2M9.35 Kp1+ | 3C7.9 Kp2 | 4M1.19 Kp2+ | 5C2.74 Kp4- | 6C5.54 Kp2 | |
7C5.74 Kp4 | 8C1.33 Kp2 | 9C2.96 Kp2- | 10C6.76 Kp1- | 11M1.35 Kp4- | 12C7.16 Kp5- | 13C4.4 Kp4 |
14M1.07 Kp3 | 15M1.23 Kp2+ | 16M1.47 Kp2 | 17C5.59 Kp4- | 18X1.05 Kp3- S1 | 19C6.75 Kp4- S1 | 20C9.29 Kp5 S1 |
21C7.29 Kp4 | 22M1.26 Kp2- | 23C7.29 Kp2 | 24C4.17 Kp3+ | 25X1.99 Kp3+ | 26C3.42 Kp2+ | 27B6.88 Kp2- |
28C4.86 Kp2+ | 29C1.36 Kp3+ | 30C2.14 Kp4 | ||||
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
Incoming & Unnumbered Active Regions 254AR4401 60Photographing auroras 234SDO Imagery is not updated? 6Current Farside Activity 437
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 81.4 +3.2 |
| Last 30 days | 80 -0.8 |