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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C1.53 Kp2- | 2B3.78 Kp2- | 3B7.41 Kp1- | 4B7.9 Kp1 | 5B5.81 Kp2- | ||
6Kp2- | 7B2.59 Kp2 | 8B1.81 Kp3 | 9B1.7 Kp1- | 10B3.36 Kp0+ | 11B5.57 Kp0+ | 12B8.37 Kp3 |
13B3.76 Kp3 | 14C3.29 Kp4- | 15C7.68 Kp4- | 16C1.05 Kp2+ | 17B6.83 Kp2 | 18Kp2+ | 19B1.4 Kp2 |
20Kp4- | 21Kp1 | 22Kp0+ | 23Kp1- | 24Kp2 | 25Kp2 | 26Kp2- |
27B1.94 Kp2 | 28Kp4 | 29B6.03 Kp2 | 30Kp2+ | 31C1.93 Kp2- | ||
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
AR4403 6Filament CME from march 22nd 19AR4401 21Space Weather Memes 806CMes from ar 4392 (19-21st of march) 271
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | 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 | 79.2 +1 |
| Last 30 days | 75.6 -9.1 |