Solar flares on June 15, 2025
The most powerful solar flare in 24 hours
M8.4 (strong) flare - June 15 at 1:07 PM
Solar activity index
Value as of the end of the day on June 15, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 14, 2025 to June 15, 2025
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for June 15, 2025
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.8 | 23:08 | 23:23 | 23:43 | 4114 |
| C6.7 | 22:00 | 22:14 | 22:20 | 4105 |
| C6.5 | 20:41 | 20:48 | 21:01 | 4105 |
| M1.2 | 18:43 | 18:57 | 19:05 | 4114 |
| C7.2 | 17:20 | 17:40 | 17:52 | 4114 |
| C7.9 | 15:32 | 15:38 | 15:44 | 4114 |
| C9.8 | 14:39 | 14:50 | 15:03 | 4114 |
| C7.9 | 14:23 | 14:31 | 14:35 | 4114 |
| M8.4 | 12:45 | 13:07 | 13:25 | 4114 |
| C4.7 | 12:15 | 12:19 | 12:21 | 4114 |
| C3.1 | 09:10 | 09:17 | 09:26 | 4114 |
| C5.0 | 08:06 | 08:16 | 08:24 | 4105 |