Solar flares on June 13, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - June 13 at 4:10 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-05 (Memphis) — summer time
List of solar flares for June 13, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.8 | 22:03 | 22:07 | 22:15 | 4105 |
| C5.0 | 21:29 | 21:43 | 21:52 | 4114 |
| C1.9 | 20:03 | 20:07 | 20:15 | 4114 |
| C1.5 | 19:33 | 19:39 | 19:43 | 4105 |
| M1.2 | 15:49 | 16:10 | 16:21 | 4105 |
| C1.7 | 14:27 | 14:32 | 14:36 | 4114 |
| C2.9 | 12:07 | 12:11 | 12:14 | 4114 |
| C3.1 | 08:45 | 09:00 | 09:15 | 4105 |
| C2.4 | 01:38 | 01:45 | 01:53 | 4110 |
| C2.0 | 00:42 | 00:48 | 00:51 | 4110 |