Solar flares on July 21, 2023
The most powerful solar flare in 24 hours
C2.2 (normal) flare - July 21 at 12:51 AM
Solar activity index
Value as of the end of the day on July 21, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2023 to July 21, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for July 21, 2023
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 11:44 | 11:54 | 12:03 | 3373 |
| C1.5 | 10:45 | 10:52 | 10:57 | 3373 |
| C2.2 | 00:44 | 00:51 | 01:01 | 3379 |