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.
July 1996 |
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Sunday Sun. |
1Kp3+ | 2Kp3- | 3Kp3+ | 4Kp3+ | 5Kp4- | 6Kp2- | 7Kp3- |
8Kp3+ | 9Kp2- | 10Kp1- | 11Kp2- | 12Kp3- | 13Kp3 | 14Kp3 |
15Kp3+ | 16Kp2 | 17Kp3 | 18Kp2+ | 19Kp2- | 20Kp3- | 21Kp3- |
22Kp3- | 23Kp2 | 24Kp2 | 25Kp2+ | 26Kp2 | 27Kp1+ | 28Kp4+ |
29Kp2- | 30Kp3- | 31B5.09 Kp4 | ||||
Latest news
CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Latest alerts
07:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 08:15 UTC
07:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 07:03 UTC
06:27 UTC - Coronal mass ejection arrival
CME impact detected - Current Solar Wind Speed 644km/sec - IMF: Bt (strength): 15nT & Bz: 0nT (South).
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121.5 -12.7 |
| Last 30 days | 116.5 -16.8 |