Solar flares on June 16, 2025
The most powerful solar flare in 24 hours
M6.3 (strong) flare - June 16 at 9:38 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+00
List of solar flares for June 16, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 6 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.5 | 23:02 | 23:09 | 23:12 | 4114 |
| C3.1 | 17:04 | 17:12 | 17:21 | — |
| M1.1 | 14:43 | 14:55 | 15:03 | — |
| M1.4 | 11:27 | 11:39 | 11:43 | — |
| M6.3 | 09:17 | 09:38 | 09:48 | 4114 |
| C3.8 | 08:12 | 08:22 | 08:30 | 4107 |
| C5.0 | 06:25 | 06:39 | 06:45 | 4109 |
| M1.8 | 04:08 | 04:23 | 04:43 | 4114 |
| C6.7 | 03:00 | 03:14 | 03:20 | 4105 |
| C6.5 | 01:41 | 01:48 | 02:01 | 4105 |