Solar flares on June 21, 2015
The most powerful solar flare in 24 hours
M3.8 (strong) flare - June 21 at 11:44 AM
Solar activity index
Value as of the end of the day on June 21, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2015 to June 21, 2015
Time zone — UTC+02 (Rome) — summer time
List of solar flares for June 21, 2015
The total number of solar flares of class C and higher — 8 flares
C class — 4 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 22:09 | 22:13 | 22:15 | 2371 |
| M1.1 | 20:10 | 20:20 | 20:28 | 2367 |
| C2.6 | 17:35 | 18:40 | 19:44 | 2367 |
| C1.4 | 16:29 | 16:32 | 16:34 | 2367 |
| C1.3 | 15:28 | 15:33 | 15:36 | 2367 |
| M3.8 | 11:38 | 11:44 | 11:50 | 2367 |
| M2.6 | 04:06 | 04:36 | 05:02 | — |
| M2.0 | 03:02 | 03:42 | 04:00 | 2371 |