Solar flares on June 20, 2026
The most powerful solar flare in 24 hours
M1.3 (strong) flare - June 20 at 3:51 AM
Solar activity index
Value as of the end of the day on June 20, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 19, 2026 to June 20, 2026
Time zone — UTC+02 (Valletta) — summer time
List of solar flares for June 20, 2026
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 23:22 | 23:45 | 00:05 | 4473 |
| M1.0 | 16:50 | 17:00 | 17:05 | 4473 |
| C1.9 | 14:06 | 14:20 | 14:25 | — |
| C1.9 | 13:15 | 13:27 | 13:33 | — |
| C1.4 | 04:59 | 05:07 | 05:12 | 4470 |
| M1.3 | 03:26 | 03:51 | 04:04 | 4472 |