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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Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.5 Kp3+ | 2M1.72 Kp5- | 3C5.3 Kp6+ S1 | 4C3.5 Kp8- | 5C2.3 Kp4- | 6C1.7 Kp4 | 7B6.8 Kp4 |
8C1.2 Kp3 | 9M2 Kp3- | 10B4.8 Kp3 | 11B4.3 Kp2 | 12B6.6 Kp2- | 13C1.2 Kp1- | 14B1.6 Kp1 |
15B2.6 Kp4 | 16B2.5 Kp4 | 17B2.7 Kp3+ | 18B1.5 Kp2+ | 19Kp2- | 20Kp3+ | 21B1.3 Kp3+ |
22Kp3 | 23B1.1 Kp3 | 24B1.5 Kp2- | 25B1.3 Kp2+ | 26B4.9 Kp1+ | 27B5.1 Kp3 | 28B8.6 Kp3+ |
29B5.5 Kp4- | 30B3.1 Kp5+ | |||||
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
NuukReykjavik
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk
Kiruna, Luleå, Sundsvall, Umeå
Latest news
Strong G3 geomagnetic storm watch for 23 March
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
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Latest alerts
Saturday, 22 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:37 UTC
Strong G3 geomagnetic storm watch for 23 March
Yesterday around 16 UTC an M1.2 solar flare took place around sunspot region 4028. The solar flare triggered a filament eruption which erupted from the center of the earth-facing solar disk.
12:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 75GW at 13:10 UTC
03:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 03:35 UTC
03:15 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 140.3 -14.3 |
| Last 30 days | 140 -11.7 |