A large southern extension of the northern hemisphere polar coronal hole is facing Earth today.
A huge surprise last evening as solar activity unexpectedly reached moderate level thanks to an M1.11 (R1-minor) solar flare that took place behind the east limb. The solar flare peaked at 23:28 UTC on 20 October 2017.
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Oulu, Rovaniemi, Kuopio, SodankyläA lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 14:59 UTC
Begin Time: 08/04/2025 05:53 UTC Estimated Velocity: 456km/sec.
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 06:02 UTC
A southern hemisphere coronal hole is facing Earth. Enhanced solar wind could arrive in ~3 days
Active geomagnetic conditions (Kp4) Threshold Reached: 20:39 UTC
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/05 | M1.0 |
Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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March 2025 | 134.2 -20.4 |
April 2025 | 151.3 +17.1 |
Last 30 days | 135.2 -4.5 |