Solar flares on June 20, 2026
The most powerful solar flare in 24 hours
M2.6 (strong) flare - June 20 at 10:46 PM
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-04 (Lansing) — summer time
List of solar flares for June 20, 2026
The total number of solar flares of class C and higher — 7 flares
C class — 5 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.6 | 22:25 | 22:46 | 22:58 | 4473 |
| C1.1 | 21:01 | 21:06 | 21:14 | 4473 |
| C1.3 | 19:01 | 19:06 | 19:12 | 4473 |
| C4.8 | 17:22 | 17:45 | 18:05 | 4473 |
| M1.0 | 10:50 | 11:00 | 11:05 | 4473 |
| C1.9 | 08:06 | 08:20 | 08:25 | — |
| C1.9 | 07:15 | 07:27 | 07:33 | — |