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Today two years ago: the strongest solar flare of this cycle?
Number 35... the X1.6 solar flare that occured on September 10 was the 35th X-class solar flare of this solar cycle. It was a powerful solar flare but as far as X-class solar flares go... it was with a peak flux of X1.6 actually only a relatively modest solar flare when you consider that solar flares can get 10 or even 20 times stronger than that. The true X-treme solar flares are the so called ''super X-class solar flares''... X-class solar flares that peak at X10 or even higher. We have yet to see such a solar flare this cycle... or have we?
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| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/21 | M3.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Last 30 days | 163.2 +45.8 |