Solar flares on June 13, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - June 13 at 3:10 PM
Solar activity index
Value as of the end of the day on June 13, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 12, 2025 to June 13, 2025
Time zone — UTC-06 (Calgary) — summer time
List of solar flares for June 13, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 23:45 | 23:52 | 23:56 | 4114 |
| C2.3 | 23:25 | 23:30 | 23:41 | 4114 |
| C2.8 | 21:03 | 21:07 | 21:15 | 4105 |
| C5.0 | 20:29 | 20:43 | 20:52 | 4114 |
| C1.9 | 19:03 | 19:07 | 19:15 | 4114 |
| C1.5 | 18:33 | 18:39 | 18:43 | 4105 |
| M1.2 | 14:49 | 15:10 | 15:21 | 4105 |
| C1.7 | 13:27 | 13:32 | 13:36 | 4114 |
| C2.9 | 11:07 | 11:11 | 11:14 | 4114 |
| C3.1 | 07:45 | 08:00 | 08:15 | 4105 |
| C2.4 | 00:38 | 00:45 | 00:53 | 4110 |