Solar flares on June 16, 2026
The most powerful solar flare in 24 hours
C1.8 (normal) flare - June 16 at 4:21 AM
Solar activity index
Value as of the end of the day on June 16, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 15, 2026 to June 16, 2026
Time zone — UTC+09:30 (Adelaide)
List of solar flares for June 16, 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 |
|---|---|---|---|---|
| C1.5 | 10:13 | 10:18 | 10:20 | 4470 |
| C1.8 | 04:16 | 04:21 | 04:23 | — |