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
CMes from ar 4392 (19-21st of march) 162Current Farside Activity 424What, no CH/HSS thread? 57Incoming & Unnumbered Active Regions 228An interesting article about the suns dynamo 2
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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 | 2026/03/20 | Kp7- (G3) |
| 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 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |