Solar flares on June 21, 2015
The most powerful solar flare in 24 hours
M3.8 (strong) flare - June 21 at 10:44 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+01 (London) — summer time
List of solar flares for June 21, 2015
The total number of solar flares of class C and higher — 9 flares
C class — 5 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.5 | 23:28 | 23:40 | 23:55 | 2367 |
| C1.5 | 21:09 | 21:13 | 21:15 | 2371 |
| M1.1 | 19:10 | 19:20 | 19:28 | 2367 |
| C2.6 | 16:35 | 17:40 | 18:44 | 2367 |
| C1.4 | 15:29 | 15:32 | 15:34 | 2367 |
| C1.3 | 14:28 | 14:33 | 14:36 | 2367 |
| M3.8 | 10:38 | 10:44 | 10:50 | 2367 |
| M2.6 | 03:06 | 03:36 | 04:02 | — |
| M2.0 | 02:02 | 02:42 | 03:00 | 2371 |