Solar flares on June 16, 2025
The most powerful solar flare in 24 hours
M6.3 (strong) flare - June 16 at 3:38 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-06 (Edmonton) — summer time
List of solar flares for June 16, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 6 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.8 | 19:15 | 19:26 | 19:33 | 4114 |
| C4.1 | 18:49 | 18:53 | 18:56 | 4113 |
| C4.5 | 17:02 | 17:09 | 17:12 | 4114 |
| C3.1 | 11:04 | 11:12 | 11:21 | — |
| M1.1 | 08:43 | 08:55 | 09:03 | — |
| M1.4 | 05:27 | 05:39 | 05:43 | — |
| M6.3 | 03:17 | 03:38 | 03:48 | 4114 |
| C3.8 | 02:12 | 02:22 | 02:30 | 4107 |
| C5.0 | 00:25 | 00:39 | 00:45 | 4109 |