Solar flares on July 20, 2026
The most powerful solar flare in 24 hours
M3.4 (strong) flare - July 20 at 11:25 PM
Solar activity index
Value as of the end of the day on July 20, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 19, 2026 to July 20, 2026
Time zone — UTC+01 (London) — summer time
List of solar flares for July 20, 2026
The total number of solar flares of class C and higher — 10 flares
C class — 7 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.4 | 23:15 | 23:25 | 23:31 | 4493 |
| C2.9 | 22:31 | 22:41 | 22:57 | 4493 |
| M1.1 | 20:08 | 20:20 | 20:26 | 4493 |
| C3.2 | 18:12 | 18:17 | 18:28 | 4493 |
| C7.1 | 16:16 | 16:20 | 16:25 | 4493 |
| M2.5 | 15:29 | 15:36 | 15:40 | 4493 |
| C2.9 | 13:20 | 13:40 | 13:56 | 4493 |
| C1.6 | 13:08 | 13:15 | 13:18 | 4492 |
| C1.7 | 09:34 | 09:40 | 09:45 | 4493 |
| C2.1 | 08:39 | 08:46 | 08:55 | 4493 |