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X8.7 solar flare
What a way to sign off! Sunspot region 3664 (R3-strong) is now on the west limb and waves goodbye by producing the largest solar flare of Solar Cycle 25 which peaked at X8.7! Wow! There isn't any coronagraph imagery available from SOHO yet, but we do know the solar flare was eruptive but based on coronagraph imagery from STEREO A, the resulting coronal mass ejection is likely not aimed at Earth.
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
NuukLatest news
X2.0 solar flare from sunspot region 4001
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Double coronal holes face Earth
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Friday, 28 February 2025
18:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 17:57 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/02/25 | M3.6 |
| Last geomagnetic storm | 2025/02/27 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| Last 30 days | 154.8 +10.3 |