Solar flares on June 20, 2025
The most powerful solar flare in 24 hours
X1.9 (very strong) flare - June 20 at 2:50 AM
Solar activity index
Value as of the end of the day on June 20, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 19, 2025 to June 20, 2025
Time zone — UTC+03 (Pskov)
List of solar flares for June 20, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 5 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 21:38 | 21:48 | 21:51 | — |
| M1.0 | 20:21 | 20:40 | 20:59 | 4117 |
| C3.6 | 18:01 | 18:04 | 18:06 | 4114 |
| C1.1 | 15:58 | 16:05 | 16:08 | — |
| C1.1 | 11:56 | 12:03 | 12:10 | — |
| M4.6 | 03:02 | 03:04 | 03:06 | 4114 |
| X1.9 | 02:37 | 02:50 | 02:54 | 4114 |
| C4.4 | 00:16 | 00:34 | 00:43 | 4116 |