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C-class solar flare, Earth-directed CME
Sunspot region 2699 has been transiting the earth-facing solar disk the past few days but was relatively quiet. However, today just past midnight, this sunspot region started to erupt with a long duration C-class solar flare. The solar flare started at 00:15 UTC and peaked at 01:35 UTC with a maximum measured X-ray flux of C1.5. Not a mighty impressive value but the long duration gave away that this event might have been eruptive...
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Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Incoming & Unnumbered Active Regions 1816Unspecified geomagnetic activity 2337Filaments and prominences 124Growth of Cycle 25 836CME 25
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 126.5 -7.7 |
| Last 30 days | 124.6 -4.5 |