Solar flares on July 20, 2025
The most powerful solar flare in 24 hours
C7.6 (normal) flare - July 20 at 2:41 AM
Solar activity index
Value as of the end of the day on July 20, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 19, 2025 to July 20, 2025
Time zone — UTC-05 (Pierre) — summer time
List of solar flares for July 20, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.1 | 19:02 | 19:09 | 19:11 | 4143 |
| C6.5 | 10:28 | 10:37 | 10:52 | 4136 |
| C2.5 | 09:47 | 09:54 | 10:00 | 4136 |
| C2.8 | 07:04 | 07:13 | 07:25 | 4136 |
| C2.9 | 06:43 | 06:57 | 07:04 | 4136 |
| C1.9 | 04:41 | 04:51 | 05:04 | 4149 |
| C7.6 | 02:29 | 02:41 | 02:52 | 4136 |
| C2.8 | 02:08 | 02:21 | 02:29 | 4136 |
| C1.6 | 00:31 | 00:37 | 00:49 | 4136 |