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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Sunday Sun. |
1Kp3- | 2Kp2 | 3Kp2- | 4C1.57 Kp2+ | |||
5C1.12 Kp3 | 6C1.51 Kp2+ | 7M1.17 Kp2- | 8C1.04 Kp1+ | 9C1.03 Kp3- | 10C6.59 Kp2+ | 11C1.17 Kp1- |
12C2.12 Kp2- | 13Kp1- | 14B1.83 Kp1+ | 15B1.88 Kp5- | 16B4.61 Kp2+ | 17B1.73 Kp4- | 18Kp4 |
19Kp4 | 20Kp3- | 21Kp2 | 22Kp4- | 23Kp4+ | 24Kp3+ | 25Kp2 |
26B4.47 Kp3 | 27Kp5+ | 28B3.29 Kp2+ | ||||
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4420 39Unspecified geomagnetic activity 153AR4419 68Current Farside Activity 462Incoming & Unnumbered Active Regions 282
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 78.4 -7.5 |
| Last 30 days | 90.8 +21 |
