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. |
1B1.43 Kp3- | 2C2.78 Kp3- | 3B6.81 Kp3- | 4B1.37 Kp3- | |||
5Kp1+ | 6Kp2 | 7Kp3- | 8Kp2- | 9Kp4+ | 10Kp4 | 11Kp2+ |
12A1.57 Kp1 | 13Kp1 | 14Kp4 | 15Kp4 | 16Kp4+ | 17Kp4+ | 18Kp6 |
19Kp4+ | 20Kp3 | 21Kp2 | 22Kp3 | 23Kp4 | 24Kp3- | 25A1.57 Kp4 |
26Kp3 | 27Kp3 | 28Kp1- | 29B1.17 Kp2- | 30C6.62 Kp2+ | 31C1.01 Kp3- | |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
Sunspot region 4274 52AR 14272 38Unspecified geomagnetic activity 3288AR 14273 19Space Weather Memes 752
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/11/04 | M3.5 |
| Last geomagnetic storm | 2025/10/30 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| November 2025 | 51.3 -78.5 |
| Last 30 days | 95.5 -32.8 |