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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.2 Kp4 | 2C8.74 Kp4 | |||||
3C5.44 Kp3 | 4M1.54 Kp5 S1 | 5C2.3 Kp4+ S1 | 6M2.7 Kp8+ S1 | 7C3.53 Kp9- | 8M2.97 Kp3 | 9M4.54 Kp4- |
10M1.23 Kp4 | 11M1.63 Kp3+ | 12M1.96 Kp3- | 13C4.27 Kp4- | 14M1.03 Kp1+ | 15M6.14 Kp3- | 16C9.14 Kp4+ |
17C5.41 Kp4 | 18M1.12 Kp3- | 19C8.46 Kp4 | 20M1.24 Kp3+ | 21C6.97 Kp4- | 22M1.03 Kp2 | 23C6.77 Kp2+ |
24C4.14 Kp5+ | 25C3.91 Kp2+ | 26C9.11 Kp1 | 27C3.29 Kp4 | 28C7.46 Kp5- | 29C4.41 Kp4- | 30M1.11 Kp4+ |
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
Thursday, 10 April 2025
23:00 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 22:47 UTC
20:45 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 21:37 UTC
01:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 01:41 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 141.4 +7.2 |
| Last 30 days | 137.9 +0.4 |