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. |
1M1.7 Kp3- S1 | 2M1.63 Kp3+ S1 | |||||
3M1.88 Kp2+ S1 | 4M1.19 Kp2+ | 5M1.47 Kp2+ | 6C2.16 Kp3- | 7C2.94 Kp1 | 8M2.07 Kp1 | 9M1.54 Kp1 |
10M2.5 Kp2 | 11M5.12 Kp1 | 12X1.34 Kp3- | 13M1.86 Kp4 | 14C7.15 Kp2 | 15C8.82 Kp2 | 16M1.05 Kp1- |
17C2.82 Kp1+ | 18C6.79 Kp2- | 19M1.43 Kp2- | 20M2.49 Kp2+ | 21C3.94 Kp3 | 22M1.62 Kp2 | 23C7.21 Kp2 |
24C6.41 Kp2- | 25C1.99 Kp3+ | 26C2.11 Kp4- | 27C6.91 Kp2 | 28M3.79 Kp3 | 29X1.45 Kp3 | 30M3 Kp2 |
31M2.05 Kp3- | ||||||
Latest news
CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Latest alerts
14:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 13:52 UTC
12:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 11:42 UTC
09:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 76GW at 10:30 UTC
03:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 51GW at 04:37 UTC
02:30 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 02:24 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/20 | M1.0 |
| Last geomagnetic storm | 2025/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 119.2 -15 |
| Last 30 days | 113.3 -31 |