Solar flares on June 12, 2026
The most powerful solar flare in 24 hours
C1.8 (normal) flare - June 12 at 8:18 PM
Solar activity index
Value as of the end of the day on June 12, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 11, 2026 to June 12, 2026
Time zone — UTC-06 (Cheyenne) — summer time
List of solar flares for June 12, 2026
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 20:00 | 20:18 | 20:40 | 4464 |
| C1.0 | 06:12 | 06:18 | 06:23 | 4466 |