Solar flares on June 16, 2025
The most powerful solar flare in 24 hours
M6.3 (strong) flare - June 16 at 11:38 AM
Solar activity index
Value as of the end of the day on June 16, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 15, 2025 to June 16, 2025
Time zone — UTC+02 (Prague) — summer time
List of solar flares for June 16, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 6 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 19:04 | 19:12 | 19:21 | — |
| M1.1 | 16:43 | 16:55 | 17:03 | — |
| M1.4 | 13:27 | 13:39 | 13:43 | — |
| M6.3 | 11:17 | 11:38 | 11:48 | 4114 |
| C3.8 | 10:12 | 10:22 | 10:30 | 4107 |
| C5.0 | 08:25 | 08:39 | 08:45 | 4109 |
| M1.8 | 06:08 | 06:23 | 06:43 | 4114 |
| C6.7 | 05:00 | 05:14 | 05:20 | 4105 |
| C6.5 | 03:41 | 03:48 | 04:01 | 4105 |
| M1.2 | 01:43 | 01:57 | 02:05 | 4114 |
| C7.2 | 00:20 | 00:40 | 00:52 | 4114 |