Solar flares on July 21, 2016
The most powerful solar flare in 24 hours
M1.2 (strong) flare - July 21 at 2:46 AM
Solar activity index
Value as of the end of the day on July 21, 2016
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2016 to July 21, 2016
Time zone — UTC+02 (Zagreb)
List of solar flares for July 21, 2016
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 19:00 | 19:04 | 19:16 | 2567 |
| C1.2 | 17:38 | 17:42 | 17:47 | 2567 |
| C2.2 | 15:30 | 15:34 | 15:37 | 2567 |
| C9.1 | 14:47 | 14:55 | 15:03 | 2567 |
| C7.2 | 13:06 | 13:19 | 13:22 | 2567 |
| C1.0 | 11:40 | 11:44 | 11:48 | 2567 |
| C1.6 | 06:09 | 06:13 | 06:16 | — |
| M1.0 | 03:34 | 03:49 | 04:04 | 2567 |
| M1.2 | 02:42 | 02:46 | 02:50 | 2567 |
| C3.7 | 02:19 | 02:37 | 02:41 | 2567 |
| C3.4 | 01:45 | 01:51 | 01:54 | 2567 |
| C3.6 | 01:30 | 01:35 | 01:39 | 2567 |
| C4.6 | 00:03 | 00:17 | 00:54 | 2567 |